25434562 has 4 divisors (see below), whose sum is σ = 38151846. Its totient is φ = 12717280.

The previous prime is 25434553. The next prime is 25434569. The reversal of 25434562 is 26543452.

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., 14205361 + 11229201 = 3769^2 + 3351^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25434569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358639 + ... + 6358642.

Almost surely, 2^25434562 is an apocalyptic number.

25434562 is a deficient number, since it is larger than the sum of its proper divisors (12717284).

25434562 is a wasteful number, since it uses less digits than its factorization.

25434562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717283.

The product of its digits is 28800, while the sum is 31.

The square root of 25434562 is about 5043.2689795409. The cubic root of 25434562 is about 294.0862735994.

The spelling of 25434562 in words is "twenty-five million, four hundred thirty-four thousand, five hundred sixty-two".