609962085 has 24 divisors (see below), whose sum is σ = 1071756504. Its totient is φ = 320855040.

The previous prime is 609962053. The next prime is 609962117. The reversal of 609962085 is 580269906.

It is an interprime number because it is at equal distance from previous prime (609962053) and next prime (609962117).

It can be written as a sum of positive squares in 4 ways, for example, as 127983969 + 481978116 = 11313^2 + 21954^2 .

It is not a de Polignac number, because 609962085 - 2⁵ = 609962053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 609962085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89556 + ... + 96125.

It is an arithmetic number, because the mean of its divisors is an integer number (44656521).

Almost surely, 2^609962085 is an apocalyptic number.

It is an amenable number.

609962085 is a deficient number, since it is larger than the sum of its proper divisors (461794419).

609962085 is a wasteful number, since it uses less digits than its factorization.

609962085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185765 (or 185762 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 609962085 is about 24697.4104917904. The cubic root of 609962085 is about 848.0750372108.

The spelling of 609962085 in words is "six hundred nine million, nine hundred sixty-two thousand, eighty-five".