253374218 has 8 divisors (see below), whose sum is σ = 393166980. Its totient is φ = 122318560.

The previous prime is 253374217. The next prime is 253374223. The reversal of 253374218 is 812473352.

253374218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 252587449 + 786769 = 15893^2 + 887^2 .

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

It is a super-4 number, since 4×253374218⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (253374217) 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, 2184203 + ... + 2184318.

Almost surely, 2^253374218 is an apocalyptic number.

253374218 is a deficient number, since it is larger than the sum of its proper divisors (139792762).

253374218 is a wasteful number, since it uses less digits than its factorization.

253374218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368552.

The product of its digits is 40320, while the sum is 35.

The square root of 253374218 is about 15917.7328159509. The cubic root of 253374218 is about 632.7820344380.

The spelling of 253374218 in words is "two hundred fifty-three million, three hundred seventy-four thousand, two hundred eighteen".