247255330 has 16 divisors (see below), whose sum is σ = 508639680. Its totient is φ = 84773232.

The previous prime is 247255321. The next prime is 247255339. The reversal of 247255330 is 33552742.

247255330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247255321) and next prime (247255339).

It is a super-2 number, since 2×247255330² = 122270396426817800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247255292 and 247255301.

It is not an unprimeable number, because it can be changed into a prime (247255339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766040 + ... + 1766179.

It is an arithmetic number, because the mean of its divisors is an integer number (31789980).

Almost surely, 2^247255330 is an apocalyptic number.

247255330 is an abundant number, since it is smaller than the sum of its proper divisors (261384350).

247255330 is a wasteful number, since it uses less digits than its factorization.

247255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532233.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 247255330 is about 15724.3546767427. The cubic root of 247255330 is about 627.6466581012.

The spelling of 247255330 in words is "two hundred forty-seven million, two hundred fifty-five thousand, three hundred thirty".