25140004 has 12 divisors (see below), whose sum is σ = 44033164. Its totient is φ = 12559104.

The previous prime is 25139969. The next prime is 25140007. The reversal of 25140004 is 40004152.

It can be written as a sum of positive squares in 2 ways, for example, as 6200100 + 18939904 = 2490^2 + 4352^2 .

It is a super-2 number, since 2×25140004² = 1264039602240032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25140004.

It is not an unprimeable number, because it can be changed into a prime (25140007) 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, 4732 + ... + 8524.

Almost surely, 2^25140004 is an apocalyptic number.

It is an amenable number.

25140004 is a deficient number, since it is larger than the sum of its proper divisors (18893160).

25140004 is a wasteful number, since it uses less digits than its factorization.

25140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 25140004 is about 5013.9808535733. The cubic root of 25140004 is about 292.9465903028.

Adding to 25140004 its reverse (40004152), we get a palindrome (65144156).

The spelling of 25140004 in words is "twenty-five million, one hundred forty thousand, four".