25069513 has 16 divisors (see below), whose sum is σ = 29473920. Its totient is φ = 20880000.

The previous prime is 25069507. The next prime is 25069523. The reversal of 25069513 is 31596052.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25069513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25069523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41413 + ... + 42013.

It is an arithmetic number, because the mean of its divisors is an integer number (1842120).

Almost surely, 2^25069513 is an apocalyptic number.

It is an amenable number.

25069513 is a deficient number, since it is larger than the sum of its proper divisors (4404407).

25069513 is a wasteful number, since it uses less digits than its factorization.

25069513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 25069513 is about 5006.9464746490. The cubic root of 25069513 is about 292.6725326860.

The spelling of 25069513 in words is "twenty-five million, sixty-nine thousand, five hundred thirteen".