25232620 has 24 divisors (see below), whose sum is σ = 60558624. Its totient is φ = 8651136.

The previous prime is 25232609. The next prime is 25232621. The reversal of 25232620 is 2623252.

It is a happy number.

It is a super-2 number, since 2×25232620² = 1273370224128800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25232591 and 25232600.

It is not an unprimeable number, because it can be changed into a prime (25232621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89977 + ... + 90256.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 2^25232620 is an apocalyptic number.

25232620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25232620 is an abundant number, since it is smaller than the sum of its proper divisors (35326004).

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

25232620 is a wasteful number, since it uses less digits than its factorization.

25232620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180249 (or 180247 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25232620 is about 5023.2081382320. The cubic root of 25232620 is about 293.3058887317.

Adding to 25232620 its reverse (2623252), we get a palindrome (27855872).

It can be divided in two parts, 25232 and 620, that added together give a palindrome (25852).

The spelling of 25232620 in words is "twenty-five million, two hundred thirty-two thousand, six hundred twenty".