524440129 has 2 divisors, whose sum is σ = 524440130. Its totient is φ = 524440128.

The previous prime is 524440099. The next prime is 524440139. The reversal of 524440129 is 921044425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507465729 + 16974400 = 22527^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 524440129 - 2⁵ = 524440097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 524440129.

It is not a weakly prime, because it can be changed into another prime (524440139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262220064 + 262220065.

It is an arithmetic number, because the mean of its divisors is an integer number (262220065).

Almost surely, 2^524440129 is an apocalyptic number.

It is an amenable number.

524440129 is a deficient number, since it is larger than the sum of its proper divisors (1).

524440129 is an equidigital number, since it uses as much as digits as its factorization.

524440129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 524440129 is about 22900.6578289795. The cubic root of 524440129 is about 806.4274553286.

The spelling of 524440129 in words is "five hundred twenty-four million, four hundred forty thousand, one hundred twenty-nine".