959465561 has 2 divisors, whose sum is σ = 959465562. Its totient is φ = 959465560.

The previous prime is 959465503. The next prime is 959465603. The reversal of 959465561 is 165564959.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885419536 + 74046025 = 29756^2 + 8605^2 .

It is a cyclic number.

It is not a de Polignac number, because 959465561 - 2¹⁸ = 959203417 is a prime.

It is not a weakly prime, because it can be changed into another prime (959465501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479732780 + 479732781.

It is an arithmetic number, because the mean of its divisors is an integer number (479732781).

Almost surely, 2^959465561 is an apocalyptic number.

It is an amenable number.

959465561 is a deficient number, since it is larger than the sum of its proper divisors (1).

959465561 is an equidigital number, since it uses as much as digits as its factorization.

959465561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 50.

The square root of 959465561 is about 30975.2410967211. The cubic root of 959465561 is about 986.3017346519.

The spelling of 959465561 in words is "nine hundred fifty-nine million, four hundred sixty-five thousand, five hundred sixty-one".