561339301 has 2 divisors, whose sum is σ = 561339302. Its totient is φ = 561339300.

The previous prime is 561339293. The next prime is 561339307. The reversal of 561339301 is 103933165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 561216100 + 123201 = 23690^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 561339301 - 2³ = 561339293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561339307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280669650 + 280669651.

It is an arithmetic number, because the mean of its divisors is an integer number (280669651).

Almost surely, 2^561339301 is an apocalyptic number.

It is an amenable number.

561339301 is a deficient number, since it is larger than the sum of its proper divisors (1).

561339301 is an equidigital number, since it uses as much as digits as its factorization.

561339301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 561339301 is about 23692.6001316867. The cubic root of 561339301 is about 824.9136369957.

The spelling of 561339301 in words is "five hundred sixty-one million, three hundred thirty-nine thousand, three hundred one".