952561821 has 16 divisors (see below), whose sum is σ = 1283885568. Its totient is φ = 628177200.

The previous prime is 952561807. The next prime is 952561823. The reversal of 952561821 is 128165259.

It is not a de Polignac number, because 952561821 - 2²⁹ = 415690909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 952561821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (952561823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101206 + ... + 110216.

It is an arithmetic number, because the mean of its divisors is an integer number (80242848).

Almost surely, 2^952561821 is an apocalyptic number.

It is an amenable number.

952561821 is a deficient number, since it is larger than the sum of its proper divisors (331323747).

952561821 is a wasteful number, since it uses less digits than its factorization.

952561821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392.

The product of its digits is 43200, while the sum is 39.

The square root of 952561821 is about 30863.6002598530. The cubic root of 952561821 is about 983.9304256694.

The spelling of 952561821 in words is "nine hundred fifty-two million, five hundred sixty-one thousand, eight hundred twenty-one".