964059561 has 6 divisors (see below), whose sum is σ = 1392530490. Its totient is φ = 642706368.

The previous prime is 964059539. The next prime is 964059571. The reversal of 964059561 is 165950469.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 777573225 + 186486336 = 27885^2 + 13656^2 .

It is not a de Polignac number, because 964059561 - 2⁵ = 964059529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964059521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53558856 + ... + 53558873.

It is an arithmetic number, because the mean of its divisors is an integer number (232088415).

Almost surely, 2^964059561 is an apocalyptic number.

It is an amenable number.

964059561 is a deficient number, since it is larger than the sum of its proper divisors (428470929).

964059561 is a wasteful number, since it uses less digits than its factorization.

964059561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107117735 (or 107117732 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 964059561 is about 31049.3085430256. The cubic root of 964059561 is about 987.8733935060.

The spelling of 964059561 in words is "nine hundred sixty-four million, fifty-nine thousand, five hundred sixty-one".