2525652720 has 120 divisors (see below), whose sum is σ = 8536391136. Its totient is φ = 669187584.

The previous prime is 2525652713. The next prime is 2525652721. The reversal of 2525652720 is 272565252.

It is a happy number.

2525652720 is a `hidden beast` number, since 2 + 52 + 565 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525652721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101869 + ... + 124211.

Almost surely, 2^2525652720 is an apocalyptic number.

2525652720 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 2525652720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4268195568).

2525652720 is an abundant number, since it is smaller than the sum of its proper divisors (6010738416).

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

2525652720 is a wasteful number, since it uses less digits than its factorization.

2525652720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22519 (or 22510 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 2525652720 is about 50255.8724926749. The cubic root of 2525652720 is about 1361.8351667108.

The spelling of 2525652720 in words is "two billion, five hundred twenty-five million, six hundred fifty-two thousand, seven hundred twenty".