964225261 has 8 divisors (see below), whose sum is σ = 1022285880. Its totient is φ = 906313728.

The previous prime is 964225211. The next prime is 964225313. The reversal of 964225261 is 162522469.

It can be written as a sum of positive squares in 4 ways, for example, as 90136036 + 874089225 = 9494^2 + 29565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 964225261 - 2⁷ = 964225133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 964225261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964225211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23806 + ... + 49951.

It is an arithmetic number, because the mean of its divisors is an integer number (127785735).

Almost surely, 2^964225261 is an apocalyptic number.

It is an amenable number.

964225261 is a deficient number, since it is larger than the sum of its proper divisors (58060619).

964225261 is a wasteful number, since it uses less digits than its factorization.

964225261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74543.

The product of its digits is 51840, while the sum is 37.

The square root of 964225261 is about 31051.9767647730. The cubic root of 964225261 is about 987.9299879498.

The spelling of 964225261 in words is "nine hundred sixty-four million, two hundred twenty-five thousand, two hundred sixty-one".