25265426 has 4 divisors (see below), whose sum is σ = 37898142. Its totient is φ = 12632712.

The previous prime is 25265411. The next prime is 25265441. The reversal of 25265426 is 62456252.

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

It is an interprime number because it is at equal distance from previous prime (25265411) and next prime (25265441).

It can be written as a sum of positive squares in only one way, i.e., 23030401 + 2235025 = 4799^2 + 1495^2 .

It is a super-2 number, since 2×25265426² = 1276683501922952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25265392 and 25265401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316355 + ... + 6316358.

Almost surely, 2^25265426 is an apocalyptic number.

25265426 is a deficient number, since it is larger than the sum of its proper divisors (12632716).

25265426 is a wasteful number, since it uses less digits than its factorization.

25265426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632715.

The product of its digits is 28800, while the sum is 32.

The square root of 25265426 is about 5026.4725205655. The cubic root of 25265426 is about 293.4329468271.

The spelling of 25265426 in words is "twenty-five million, two hundred sixty-five thousand, four hundred twenty-six".