252677429 has 2 divisors, whose sum is σ = 252677430. Its totient is φ = 252677428.

The previous prime is 252677423. The next prime is 252677431. The reversal of 252677429 is 924776252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215796100 + 36881329 = 14690^2 + 6073^2 .

It is a cyclic number.

It is not a de Polignac number, because 252677429 - 2¹⁶ = 252611893 is a prime.

Together with 252677431, it forms a pair of twin primes.

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 252677429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252677423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126338714 + 126338715.

It is an arithmetic number, because the mean of its divisors is an integer number (126338715).

Almost surely, 2^252677429 is an apocalyptic number.

It is an amenable number.

252677429 is a deficient number, since it is larger than the sum of its proper divisors (1).

252677429 is an equidigital number, since it uses as much as digits as its factorization.

252677429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 252677429 is about 15895.8305539534. The cubic root of 252677429 is about 632.2014434562.

The spelling of 252677429 in words is "two hundred fifty-two million, six hundred seventy-seven thousand, four hundred twenty-nine".