507261121 has 2 divisors, whose sum is σ = 507261122. Its totient is φ = 507261120.

The previous prime is 507261089. The next prime is 507261163. The reversal of 507261121 is 121162705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439363521 + 67897600 = 20961^2 + 8240^2 .

It is a cyclic number.

It is not a de Polignac number, because 507261121 - 2⁵ = 507261089 is a prime.

It is not a weakly prime, because it can be changed into another prime (507267121) 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, 253630560 + 253630561.

It is an arithmetic number, because the mean of its divisors is an integer number (253630561).

Almost surely, 2^507261121 is an apocalyptic number.

It is an amenable number.

507261121 is a deficient number, since it is larger than the sum of its proper divisors (1).

507261121 is an equidigital number, since it uses as much as digits as its factorization.

507261121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 507261121 is about 22522.4581473693. The cubic root of 507261121 is about 797.5241796503.

The spelling of 507261121 in words is "five hundred seven million, two hundred sixty-one thousand, one hundred twenty-one".