25040616 has 32 divisors (see below), whose sum is σ = 62779200. Its totient is φ = 8323200.

The previous prime is 25040599. The next prime is 25040621. The reversal of 25040616 is 61604052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541 + ... + 11091.

It is an arithmetic number, because the mean of its divisors is an integer number (1961850).

Almost surely, 2^25040616 is an apocalyptic number.

It is an amenable number.

25040616 is an abundant number, since it is smaller than the sum of its proper divisors (37738584).

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

25040616 is a wasteful number, since it uses less digits than its factorization.

25040616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25040616 is about 5004.0599516792. The cubic root of 25040616 is about 292.5600373511.

Adding to 25040616 its reverse (61604052), we get a palindrome (86644668).

The spelling of 25040616 in words is "twenty-five million, forty thousand, six hundred sixteen".