247053842 has 24 divisors (see below), whose sum is σ = 438649536. Its totient is φ = 102224304.

The previous prime is 247053811. The next prime is 247053853. The reversal of 247053842 is 248350742.

It is a super-2 number, since 2×247053842² = 122071201693921928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1283 + ... + 22265.

It is an arithmetic number, because the mean of its divisors is an integer number (18277064).

Almost surely, 2^247053842 is an apocalyptic number.

247053842 is a deficient number, since it is larger than the sum of its proper divisors (191595694).

247053842 is a wasteful number, since it uses less digits than its factorization.

247053842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21050 (or 21021 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 247053842 is about 15717.9464943739. The cubic root of 247053842 is about 627.4761223276.

The spelling of 247053842 in words is "two hundred forty-seven million, fifty-three thousand, eight hundred forty-two".