9562251561 has 16 divisors (see below), whose sum is σ = 13044192000. Its totient is φ = 6229237248.

The previous prime is 9562251557. The next prime is 9562251593. The reversal of 9562251561 is 1651522659.

It is not a de Polignac number, because 9562251561 - 2² = 9562251557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9562251521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184986 + ... + 230963.

It is an arithmetic number, because the mean of its divisors is an integer number (815262000).

Almost surely, 2^9562251561 is an apocalyptic number.

It is an amenable number.

9562251561 is a deficient number, since it is larger than the sum of its proper divisors (3481940439).

9562251561 is a wasteful number, since it uses less digits than its factorization.

9562251561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416128.

The product of its digits is 162000, while the sum is 42.

The square root of 9562251561 is about 97786.7657763565. The cubic root of 9562251561 is about 2122.5278053963.

The spelling of 9562251561 in words is "nine billion, five hundred sixty-two million, two hundred fifty-one thousand, five hundred sixty-one".