25032040 has 32 divisors (see below), whose sum is σ = 61443360. Its totient is φ = 9102400.

The previous prime is 25032037. The next prime is 25032043. The reversal of 25032040 is 4023052.

It is an interprime number because it is at equal distance from previous prime (25032037) and next prime (25032043).

It is not an unprimeable number, because it can be changed into a prime (25032043) 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, 28006 + ... + 28885.

It is an arithmetic number, because the mean of its divisors is an integer number (1920105).

Almost surely, 2^25032040 is an apocalyptic number.

25032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25032040 is an abundant number, since it is smaller than the sum of its proper divisors (36411320).

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

25032040 is a wasteful number, since it uses less digits than its factorization.

25032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56913 (or 56909 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25032040 is about 5003.2029740957. The cubic root of 25032040 is about 292.5266345337.

Adding to 25032040 its reverse (4023052), we get a palindrome (29055092).

The spelling of 25032040 in words is "twenty-five million, thirty-two thousand, forty".