25465042 has 4 divisors (see below), whose sum is σ = 38197566. Its totient is φ = 12732520.

The previous prime is 25465021. The next prime is 25465051. The reversal of 25465042 is 24056452.

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., 25411681 + 53361 = 5041^2 + 231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25465042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6366259 + ... + 6366262.

Almost surely, 2^25465042 is an apocalyptic number.

25465042 is a deficient number, since it is larger than the sum of its proper divisors (12732524).

25465042 is a wasteful number, since it uses less digits than its factorization.

25465042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732523.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 25465042 is about 5046.2899242909. The cubic root of 25465042 is about 294.2037013653.

The spelling of 25465042 in words is "twenty-five million, four hundred sixty-five thousand, forty-two".