25046506 has 4 divisors (see below), whose sum is σ = 37569762. Its totient is φ = 12523252.

The previous prime is 25046501. The next prime is 25046509. The reversal of 25046506 is 60564052.

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., 20385225 + 4661281 = 4515^2 + 2159^2 .

It is not an unprimeable number, because it can be changed into a prime (25046501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261625 + ... + 6261628.

Almost surely, 2^25046506 is an apocalyptic number.

25046506 is a deficient number, since it is larger than the sum of its proper divisors (12523256).

25046506 is a wasteful number, since it uses less digits than its factorization.

25046506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523255.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 25046506 is about 5004.6484392013. The cubic root of 25046506 is about 292.5829740010.

It can be divided in two parts, 25046 and 506, that added together give a palindrome (25552).

The spelling of 25046506 in words is "twenty-five million, forty-six thousand, five hundred six".