25722953 has 4 divisors (see below), whose sum is σ = 26048640. Its totient is φ = 25397268.

The previous prime is 25722899. The next prime is 25723007. The reversal of 25722953 is 35922752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25722899) and next prime (25723007).

It is a cyclic number.

It is not a de Polignac number, because 25722953 - 2⁶ = 25722889 is a prime.

It is a super-2 number, since 2×25722953² = 1323340622080418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25722253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162725 + ... + 162882.

It is an arithmetic number, because the mean of its divisors is an integer number (6512160).

Almost surely, 2^25722953 is an apocalyptic number.

It is an amenable number.

25722953 is a deficient number, since it is larger than the sum of its proper divisors (325687).

25722953 is an equidigital number, since it uses as much as digits as its factorization.

25722953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325686.

The product of its digits is 37800, while the sum is 35.

The square root of 25722953 is about 5071.7800622661. The cubic root of 25722953 is about 295.1936026857.

The spelling of 25722953 in words is "twenty-five million, seven hundred twenty-two thousand, nine hundred fifty-three".