25045012 has 24 divisors (see below), whose sum is σ = 46897704. Its totient is φ = 11661312.

The previous prime is 25044977. The next prime is 25045019. The reversal of 25045012 is 21054052.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 24245776 = 894^2 + 4924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4698 + ... + 8494.

It is an arithmetic number, because the mean of its divisors is an integer number (1954071).

Almost surely, 2^25045012 is an apocalyptic number.

It is an amenable number.

25045012 is a deficient number, since it is larger than the sum of its proper divisors (21852692).

25045012 is a wasteful number, since it uses less digits than its factorization.

25045012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25045012 is about 5004.4991757418. The cubic root of 25045012 is about 292.5771564543.

Adding to 25045012 its reverse (21054052), we get a palindrome (46099064).

The spelling of 25045012 in words is "twenty-five million, forty-five thousand, twelve".