464825331961 has 3 divisors (see below), whose sum is σ = 464826013743. Its totient is φ = 464824650180.

The previous prime is 464825331959. The next prime is 464825331977. The reversal of 464825331961 is 169133528464.

The square root of 464825331961 is 681781.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 461678121961 + 3147210000 = 679469^2 + 56100^2 .

It is not a de Polignac number, because 464825331961 - 2¹ = 464825331959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464825331899 and 464825331908.

It is not an unprimeable number, because it can be changed into a prime (464825331991) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 340891 + ... + 1022671.

It is an arithmetic number, because the mean of its divisors is an integer number (154942004581).

Almost surely, 2^464825331961 is an apocalyptic number.

464825331961 is the 681781-st square number.

464825331961 is the 340891-st centered octagonal number.

It is an amenable number.

464825331961 is a deficient number, since it is larger than the sum of its proper divisors (681782).

464825331961 is an frugal number, since it uses more digits than its factorization.

464825331961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363562 (or 681781 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 464825331961 in words is "four hundred sixty-four billion, eight hundred twenty-five million, three hundred thirty-one thousand, nine hundred sixty-one".