253488694 has 4 divisors (see below), whose sum is σ = 380233044. Its totient is φ = 126744346.

The previous prime is 253488679. The next prime is 253488701. The reversal of 253488694 is 496884352.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63372172 + ... + 63372175.

It is an arithmetic number, because the mean of its divisors is an integer number (95058261).

Almost surely, 2^253488694 is an apocalyptic number.

253488694 is a deficient number, since it is larger than the sum of its proper divisors (126744350).

253488694 is a wasteful number, since it uses less digits than its factorization.

253488694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126744349.

The product of its digits is 1658880, while the sum is 49.

The square root of 253488694 is about 15921.3282737339. The cubic root of 253488694 is about 632.8773183362.

The spelling of 253488694 in words is "two hundred fifty-three million, four hundred eighty-eight thousand, six hundred ninety-four".