247052355 has 48 divisors (see below), whose sum is σ = 440240640. Its totient is φ = 118198080.

The previous prime is 247052339. The next prime is 247052357. The reversal of 247052355 is 553250742.

It is not a de Polignac number, because 247052355 - 2⁴ = 247052339 is a prime.

It is a super-2 number, since 2×247052355² = 122069732222092050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (247052357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142524 + ... + 144246.

It is an arithmetic number, because the mean of its divisors is an integer number (9171680).

Almost surely, 2^247052355 is an apocalyptic number.

247052355 is a deficient number, since it is larger than the sum of its proper divisors (193188285).

247052355 is a wasteful number, since it uses less digits than its factorization.

247052355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 247052355 is about 15717.8991916859. The cubic root of 247052355 is about 627.4748634132.

The spelling of 247052355 in words is "two hundred forty-seven million, fifty-two thousand, three hundred fifty-five".