25426455 has 16 divisors (see below), whose sum is σ = 40781664. Its totient is φ = 13527680.

The previous prime is 25426451. The next prime is 25426481. The reversal of 25426455 is 55462452.

It is not a de Polignac number, because 25426455 - 2² = 25426451 is a prime.

It is a super-2 number, since 2×25426455² = 1293009227734050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25426451) 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, 5077 + ... + 8753.

It is an arithmetic number, because the mean of its divisors is an integer number (2548854).

Almost surely, 2^25426455 is an apocalyptic number.

25426455 is a deficient number, since it is larger than the sum of its proper divisors (15355209).

25426455 is a wasteful number, since it uses less digits than its factorization.

25426455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its digits is 48000, while the sum is 33.

The square root of 25426455 is about 5042.4651709258. The cubic root of 25426455 is about 294.0550246402.

The spelling of 25426455 in words is "twenty-five million, four hundred twenty-six thousand, four hundred fifty-five".