965556461 has 4 divisors (see below), whose sum is σ = 976405500. Its totient is φ = 954707424.

The previous prime is 965556451. The next prime is 965556481. The reversal of 965556461 is 164655569.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242269225 + 723287236 = 15565^2 + 26894^2 .

It is a cyclic number.

It is not a de Polignac number, because 965556461 - 2¹⁴ = 965540077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (965556451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424386 + ... + 5424563.

It is an arithmetic number, because the mean of its divisors is an integer number (244101375).

Almost surely, 2^965556461 is an apocalyptic number.

It is an amenable number.

965556461 is a deficient number, since it is larger than the sum of its proper divisors (10849039).

965556461 is a wasteful number, since it uses less digits than its factorization.

965556461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849038.

The product of its digits is 972000, while the sum is 47.

The square root of 965556461 is about 31073.4043999044. The cubic root of 965556461 is about 988.3844210569.

The spelling of 965556461 in words is "nine hundred sixty-five million, five hundred fifty-six thousand, four hundred sixty-one".