252426501629 has 2 divisors, whose sum is σ = 252426501630. Its totient is φ = 252426501628.

The previous prime is 252426501617. The next prime is 252426501653. The reversal of 252426501629 is 926105624252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241475925604 + 10950576025 = 491402^2 + 104645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252426501629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252426501629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252426503629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126213250814 + 126213250815.

It is an arithmetic number, because the mean of its divisors is an integer number (126213250815).

Almost surely, 2^252426501629 is an apocalyptic number.

It is an amenable number.

252426501629 is a deficient number, since it is larger than the sum of its proper divisors (1).

252426501629 is an equidigital number, since it uses as much as digits as its factorization.

252426501629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 252426501629 in words is "two hundred fifty-two billion, four hundred twenty-six million, five hundred one thousand, six hundred twenty-nine".