2525151420 has 216 divisors, whose sum is σ = 8470163520. Its totient is φ = 608467200.

The previous prime is 2525151403. The next prime is 2525151437. The reversal of 2525151420 is 241515252.

2525151420 is a `hidden beast` number, since 2 + 5 + 2 + 515 + 142 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2525151403) and next prime (2525151437).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5858605 + ... + 5859035.

It is an arithmetic number, because the mean of its divisors is an integer number (39213720).

Almost surely, 2^2525151420 is an apocalyptic number.

2525151420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525151420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4235081760).

2525151420 is an abundant number, since it is smaller than the sum of its proper divisors (5945012100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525151420 is a wasteful number, since it uses less digits than its factorization.

2525151420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2525151420 is about 50250.8847683302. The cubic root of 2525151420 is about 1361.7450602160.

Adding to 2525151420 its reverse (241515252), we get a palindrome (2766666672).

The spelling of 2525151420 in words is "two billion, five hundred twenty-five million, one hundred fifty-one thousand, four hundred twenty".