25240616 has 8 divisors (see below), whose sum is σ = 47326170. Its totient is φ = 12620304.

The previous prime is 25240601. The next prime is 25240627. The reversal of 25240616 is 61604252.

It can be written as a sum of positive squares in only one way, i.e., 20160100 + 5080516 = 4490^2 + 2254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577531 + ... + 1577546.

Almost surely, 2^25240616 is an apocalyptic number.

It is an amenable number.

25240616 is a deficient number, since it is larger than the sum of its proper divisors (22085554).

25240616 is a wasteful number, since it uses less digits than its factorization.

25240616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155083 (or 3155079 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25240616 is about 5024.0039808901. The cubic root of 25240616 is about 293.3368674964.

Adding to 25240616 its reverse (61604252), we get a palindrome (86844868).

The spelling of 25240616 in words is "twenty-five million, two hundred forty thousand, six hundred sixteen".