25267042 has 4 divisors (see below), whose sum is σ = 37900566. Its totient is φ = 12633520.

The previous prime is 25267037. The next prime is 25267043. The reversal of 25267042 is 24076252.

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

It can be written as a sum of positive squares in only one way, i.e., 24690961 + 576081 = 4969^2 + 759^2 .

It is a super-2 number, since 2×25267042² = 1276846822859528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25267042.

It is not an unprimeable number, because it can be changed into a prime (25267043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316759 + ... + 6316762.

Almost surely, 2^25267042 is an apocalyptic number.

25267042 is a deficient number, since it is larger than the sum of its proper divisors (12633524).

25267042 is a wasteful number, since it uses less digits than its factorization.

25267042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633523.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 25267042 is about 5026.6332669094. The cubic root of 25267042 is about 293.4392027746.

The spelling of 25267042 in words is "twenty-five million, two hundred sixty-seven thousand, forty-two".