962561209 has 16 divisors (see below), whose sum is σ = 990460800. Its totient is φ = 935193600.

The previous prime is 962561183. The next prime is 962561213. The reversal of 962561209 is 902165269.

It is a cyclic number.

It is not a de Polignac number, because 962561209 - 2²⁹ = 425690297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (962561219) 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 15 ways as a sum of consecutive naturals, for example, 1667929 + ... + 1668505.

It is an arithmetic number, because the mean of its divisors is an integer number (61903800).

Almost surely, 2^962561209 is an apocalyptic number.

It is an amenable number.

962561209 is a deficient number, since it is larger than the sum of its proper divisors (27899591).

962561209 is a wasteful number, since it uses less digits than its factorization.

962561209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 962561209 is about 31025.1705716504. The cubic root of 962561209 is about 987.3613402276.

The spelling of 962561209 in words is "nine hundred sixty-two million, five hundred sixty-one thousand, two hundred nine".