253219347 has 6 divisors (see below), whose sum is σ = 365761292. Its totient is φ = 168812892.

The previous prime is 253219339. The next prime is 253219349. The reversal of 253219347 is 743912352.

It is not a de Polignac number, because 253219347 - 2³ = 253219339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253219349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14067733 + ... + 14067750.

Almost surely, 2^253219347 is an apocalyptic number.

253219347 is a deficient number, since it is larger than the sum of its proper divisors (112541945).

253219347 is a wasteful number, since it uses less digits than its factorization.

253219347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28135489 (or 28135486 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 253219347 is about 15912.8673406146. The cubic root of 253219347 is about 632.6530821438.

The spelling of 253219347 in words is "two hundred fifty-three million, two hundred nineteen thousand, three hundred forty-seven".