595978961 has 4 divisors (see below), whose sum is σ = 602123172. Its totient is φ = 589834752.

The previous prime is 595978949. The next prime is 595978963. The reversal of 595978961 is 169879595.

595978961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169879595 = 5 ⋅33975919.

It can be written as a sum of positive squares in 2 ways, for example, as 372297025 + 223681936 = 19295^2 + 14956^2 .

It is a cyclic number.

It is not a de Polignac number, because 595978961 - 2²² = 591784657 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 595978961.

It is not an unprimeable number, because it can be changed into a prime (595978963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071960 + ... + 3072153.

It is an arithmetic number, because the mean of its divisors is an integer number (150530793).

Almost surely, 2^595978961 is an apocalyptic number.

It is an amenable number.

595978961 is a deficient number, since it is larger than the sum of its proper divisors (6144211).

595978961 is an equidigital number, since it uses as much as digits as its factorization.

595978961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144210.

The product of its digits is 6123600, while the sum is 59.

The square root of 595978961 is about 24412.6803321553. The cubic root of 595978961 is about 841.5442873969.

The spelling of 595978961 in words is "five hundred ninety-five million, nine hundred seventy-eight thousand, nine hundred sixty-one".