25532013 has 12 divisors (see below), whose sum is σ = 36863520. Its totient is φ = 15711696.

The previous prime is 25531999. The next prime is 25532027. The reversal of 25532013 is 31023552.

It is an interprime number because it is at equal distance from previous prime (25531999) and next prime (25532027).

It is not a de Polignac number, because 25532013 - 2⁴ = 25531997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24673 + ... + 25686.

It is an arithmetic number, because the mean of its divisors is an integer number (3071960).

Almost surely, 2^25532013 is an apocalyptic number.

It is an amenable number.

25532013 is a deficient number, since it is larger than the sum of its proper divisors (11331507).

25532013 is a wasteful number, since it uses less digits than its factorization.

25532013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50388 (or 50375 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25532013 is about 5052.9212342961. The cubic root of 25532013 is about 294.4613862435.

Adding to 25532013 its reverse (31023552), we get a palindrome (56555565).

The spelling of 25532013 in words is "twenty-five million, five hundred thirty-two thousand, thirteen".