25270620 has 24 divisors (see below), whose sum is σ = 70757904. Its totient is φ = 6738816.

The previous prime is 25270601. The next prime is 25270621. The reversal of 25270620 is 2607252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25270621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210529 + ... + 210648.

It is an arithmetic number, because the mean of its divisors is an integer number (2948246).

Almost surely, 2^25270620 is an apocalyptic number.

25270620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25270620 is an abundant number, since it is smaller than the sum of its proper divisors (45487284).

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

25270620 is a wasteful number, since it uses less digits than its factorization.

25270620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421189 (or 421187 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25270620 is about 5026.9891585322. The cubic root of 25270620 is about 293.4530531746.

Adding to 25270620 its reverse (2607252), we get a palindrome (27877872).

The spelling of 25270620 in words is "twenty-five million, two hundred seventy thousand, six hundred twenty".