25013573 has 16 divisors (see below), whose sum is σ = 28533120. Its totient is φ = 21760704.

The previous prime is 25013563. The next prime is 25013587. The reversal of 25013573 is 37531052.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25013573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013543) 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, 15440 + ... + 16982.

It is an arithmetic number, because the mean of its divisors is an integer number (1783320).

Almost surely, 2^25013573 is an apocalyptic number.

It is an amenable number.

25013573 is a deficient number, since it is larger than the sum of its proper divisors (3519547).

25013573 is a wasteful number, since it uses less digits than its factorization.

25013573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 25013573 is about 5001.3571158237. The cubic root of 25013573 is about 292.4546811713.

The spelling of 25013573 in words is "twenty-five million, thirteen thousand, five hundred seventy-three".