955690561 has 12 divisors (see below), whose sum is σ = 1116348420. Its totient is φ = 815754240.

The previous prime is 955690553. The next prime is 955690573. The reversal of 955690561 is 165096559.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 698280625 + 257409936 = 26425^2 + 16044^2 .

It is not a de Polignac number, because 955690561 - 2³ = 955690553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (955690061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28656 + ... + 52273.

It is an arithmetic number, because the mean of its divisors is an integer number (93029035).

Almost surely, 2^955690561 is an apocalyptic number.

It is an amenable number.

955690561 is a deficient number, since it is larger than the sum of its proper divisors (160657859).

955690561 is a wasteful number, since it uses less digits than its factorization.

955690561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81184 (or 81177 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 955690561 is about 30914.2452762476. The cubic root of 955690561 is about 985.0065056645.

The spelling of 955690561 in words is "nine hundred fifty-five million, six hundred ninety thousand, five hundred sixty-one".