247232701 has 2 divisors, whose sum is σ = 247232702. Its totient is φ = 247232700.

The previous prime is 247232669. The next prime is 247232707. The reversal of 247232701 is 107232742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145202500 + 102030201 = 12050^2 + 10101^2 .

It is a cyclic number.

It is not a de Polignac number, because 247232701 - 2⁵ = 247232669 is a prime.

It is a super-2 number, since 2×247232701² = 122248016887510802, which contains 22 as substring.

It is equal to p_13536064 and since 247232701 and 13536064 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 247232701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247232707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123616350 + 123616351.

It is an arithmetic number, because the mean of its divisors is an integer number (123616351).

Almost surely, 2^247232701 is an apocalyptic number.

247232701 is the 9945-th centered pentagonal number.

It is an amenable number.

247232701 is a deficient number, since it is larger than the sum of its proper divisors (1).

247232701 is an equidigital number, since it uses as much as digits as its factorization.

247232701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 247232701 is about 15723.6351076969. The cubic root of 247232701 is about 627.6275099470.

The spelling of 247232701 in words is "two hundred forty-seven million, two hundred thirty-two thousand, seven hundred one".