253254394 has 4 divisors (see below), whose sum is σ = 379881594. Its totient is φ = 126627196.

The previous prime is 253254367. The next prime is 253254427. The reversal of 253254394 is 493452352.

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., 252015625 + 1238769 = 15875^2 + 1113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63313597 + ... + 63313600.

Almost surely, 2^253254394 is an apocalyptic number.

253254394 is a deficient number, since it is larger than the sum of its proper divisors (126627200).

253254394 is a wasteful number, since it uses less digits than its factorization.

253254394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126627199.

The product of its digits is 129600, while the sum is 37.

The square root of 253254394 is about 15913.9685182546. The cubic root of 253254394 is about 632.6822683940.

The spelling of 253254394 in words is "two hundred fifty-three million, two hundred fifty-four thousand, three hundred ninety-four".