253364402 has 8 divisors (see below), whose sum is σ = 382467756. Its totient is φ = 125875152.

The previous prime is 253364393. The next prime is 253364407. The reversal of 253364402 is 204463352.

It can be written as a sum of positive squares in 2 ways, for example, as 247464361 + 5900041 = 15731^2 + 2429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (253364407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403133 + ... + 403760.

Almost surely, 2^253364402 is an apocalyptic number.

253364402 is a deficient number, since it is larger than the sum of its proper divisors (129103354).

253364402 is a wasteful number, since it uses less digits than its factorization.

253364402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807052.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 253364402 is about 15917.4244775969. The cubic root of 253364402 is about 632.7738627717.

The spelling of 253364402 in words is "two hundred fifty-three million, three hundred sixty-four thousand, four hundred two".