25232340 has 48 divisors (see below), whose sum is σ = 80744832. Its totient is φ = 5767296.

The previous prime is 25232329. The next prime is 25232359. The reversal of 25232340 is 4323252.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29619 + ... + 30458.

It is an arithmetic number, because the mean of its divisors is an integer number (1682184).

Almost surely, 2^25232340 is an apocalyptic number.

25232340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25232340 is an abundant number, since it is smaller than the sum of its proper divisors (55512492).

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

25232340 is a wasteful number, since it uses less digits than its factorization.

25232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60096 (or 60094 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 25232340 is about 5023.1802675198. The cubic root of 25232340 is about 293.3048038139.

Adding to 25232340 its reverse (4323252), we get a palindrome (29555592).

The spelling of 25232340 in words is "twenty-five million, two hundred thirty-two thousand, three hundred forty".