252552737 has 2 divisors, whose sum is σ = 252552738. Its totient is φ = 252552736.

The previous prime is 252552733. The next prime is 252552757. The reversal of 252552737 is 737255252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252460321 + 92416 = 15889^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 252552737 - 2² = 252552733 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252552737.

It is not a weakly prime, because it can be changed into another prime (252552733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126276368 + 126276369.

It is an arithmetic number, because the mean of its divisors is an integer number (126276369).

Almost surely, 2^252552737 is an apocalyptic number.

It is an amenable number.

252552737 is a deficient number, since it is larger than the sum of its proper divisors (1).

252552737 is an equidigital number, since it uses as much as digits as its factorization.

252552737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147000, while the sum is 38.

The square root of 252552737 is about 15891.9079093732. The cubic root of 252552737 is about 632.0974328033.

The spelling of 252552737 in words is "two hundred fifty-two million, five hundred fifty-two thousand, seven hundred thirty-seven".