25536373 has 4 divisors (see below), whose sum is σ = 25609068. Its totient is φ = 25463680.

The previous prime is 25536347. The next prime is 25536383. The reversal of 25536373 is 37363552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17114769 + 8421604 = 4137^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 25536373 - 2⁵ = 25536341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25536383) 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, 35818 + ... + 36523.

It is an arithmetic number, because the mean of its divisors is an integer number (6402267).

Almost surely, 2^25536373 is an apocalyptic number.

It is an amenable number.

25536373 is a deficient number, since it is larger than the sum of its proper divisors (72695).

25536373 is an equidigital number, since it uses as much as digits as its factorization.

25536373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72694.

The product of its digits is 56700, while the sum is 34.

The square root of 25536373 is about 5053.3526494794. The cubic root of 25536373 is about 294.4781466216.

The spelling of 25536373 in words is "twenty-five million, five hundred thirty-six thousand, three hundred seventy-three".