25537042 has 8 divisors (see below), whose sum is σ = 38685132. Its totient is φ = 12642000.

The previous prime is 25537021. The next prime is 25537051. The reversal of 25537042 is 24073552.

It can be written as a sum of positive squares in 2 ways, for example, as 20875761 + 4661281 = 4569^2 + 2159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25537042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63009 + ... + 63412.

Almost surely, 2^25537042 is an apocalyptic number.

25537042 is a deficient number, since it is larger than the sum of its proper divisors (13148090).

25537042 is a wasteful number, since it uses less digits than its factorization.

25537042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126524.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25537042 is about 5053.4188427242. The cubic root of 25537042 is about 294.4807181713.

The spelling of 25537042 in words is "twenty-five million, five hundred thirty-seven thousand, forty-two".