253704298 has 4 divisors (see below), whose sum is σ = 380556450. Its totient is φ = 126852148.

The previous prime is 253704289. The next prime is 253704349. The reversal of 253704298 is 892407352.

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., 253669329 + 34969 = 15927^2 + 187^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 253704298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63426073 + ... + 63426076.

Almost surely, 2^253704298 is an apocalyptic number.

253704298 is a deficient number, since it is larger than the sum of its proper divisors (126852152).

253704298 is a wasteful number, since it uses less digits than its factorization.

253704298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126852151.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 253704298 is about 15928.0977520858. The cubic root of 253704298 is about 633.0566980835.

The spelling of 253704298 in words is "two hundred fifty-three million, seven hundred four thousand, two hundred ninety-eight".