25052518 has 4 divisors (see below), whose sum is σ = 37578780. Its totient is φ = 12526258.

The previous prime is 25052513. The next prime is 25052519. The reversal of 25052518 is 81525052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263128 + ... + 6263131.

It is an arithmetic number, because the mean of its divisors is an integer number (9394695).

Almost surely, 2^25052518 is an apocalyptic number.

25052518 is a deficient number, since it is larger than the sum of its proper divisors (12526262).

25052518 is a wasteful number, since it uses less digits than its factorization.

25052518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526261.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 25052518 is about 5005.2490447529. The cubic root of 25052518 is about 292.6063820313.

The spelling of 25052518 in words is "twenty-five million, fifty-two thousand, five hundred eighteen".