253868254 has 4 divisors (see below), whose sum is σ = 380802384. Its totient is φ = 126934126.

The previous prime is 253868249. The next prime is 253868257. The reversal of 253868254 is 452868352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 253868254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253868257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63467062 + ... + 63467065.

It is an arithmetic number, because the mean of its divisors is an integer number (95200596).

Almost surely, 2^253868254 is an apocalyptic number.

253868254 is a deficient number, since it is larger than the sum of its proper divisors (126934130).

253868254 is a wasteful number, since it uses less digits than its factorization.

253868254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126934129.

The product of its digits is 460800, while the sum is 43.

The square root of 253868254 is about 15933.2436747826. The cubic root of 253868254 is about 633.1930393465.

The spelling of 253868254 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, two hundred fifty-four".