25726315 has 4 divisors (see below), whose sum is σ = 30871584. Its totient is φ = 20581048.

The previous prime is 25726303. The next prime is 25726367. The reversal of 25726315 is 51362752.

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

It is a cyclic number.

It is not a de Polignac number, because 25726315 - 2⁹ = 25725803 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572627 + ... + 2572636.

It is an arithmetic number, because the mean of its divisors is an integer number (7717896).

Almost surely, 2^25726315 is an apocalyptic number.

25726315 is a deficient number, since it is larger than the sum of its proper divisors (5145269).

25726315 is an equidigital number, since it uses as much as digits as its factorization.

25726315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145268.

The product of its digits is 12600, while the sum is 31.

The square root of 25726315 is about 5072.1114932541. Note that the first 3 decimals coincide. The cubic root of 25726315 is about 295.2064627652.

The spelling of 25726315 in words is "twenty-five million, seven hundred twenty-six thousand, three hundred fifteen".