252737647 has 2 divisors, whose sum is σ = 252737648. Its totient is φ = 252737646.

The previous prime is 252737629. The next prime is 252737687. The reversal of 252737647 is 746737252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252737647 - 2⁷ = 252737519 is a prime.

It is a super-2 number, since 2×252737647² = 127752636422193218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252737687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126368823 + 126368824.

It is an arithmetic number, because the mean of its divisors is an integer number (126368824).

Almost surely, 2^252737647 is an apocalyptic number.

252737647 is a deficient number, since it is larger than the sum of its proper divisors (1).

252737647 is an equidigital number, since it uses as much as digits as its factorization.

252737647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 43.

The square root of 252737647 is about 15897.7245856129. The cubic root of 252737647 is about 632.2516614790.

The spelling of 252737647 in words is "two hundred fifty-two million, seven hundred thirty-seven thousand, six hundred forty-seven".