25160540 has 12 divisors (see below), whose sum is σ = 52837176. Its totient is φ = 10064208.

The previous prime is 25160521. The next prime is 25160549. The reversal of 25160540 is 4506152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25160549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628994 + ... + 629033.

It is an arithmetic number, because the mean of its divisors is an integer number (4403098).

Almost surely, 2^25160540 is an apocalyptic number.

25160540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25160540 is an abundant number, since it is smaller than the sum of its proper divisors (27676636).

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

25160540 is a wasteful number, since it uses less digits than its factorization.

25160540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258036 (or 1258034 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25160540 is about 5016.0283093300. The cubic root of 25160540 is about 293.0263345734.

Adding to 25160540 its reverse (4506152), we get a palindrome (29666692).

The spelling of 25160540 in words is "twenty-five million, one hundred sixty thousand, five hundred forty".