956545172 has 18 divisors (see below), whose sum is σ = 1839966954. Its totient is φ = 434793040.

The previous prime is 956545169. The next prime is 956545189. The reversal of 956545172 is 271545659.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 912402436 + 44142736 = 30206^2 + 6644^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

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 5 ways as a sum of consecutive naturals, for example, 987683 + ... + 988650.

Almost surely, 2^956545172 is an apocalyptic number.

It is an amenable number.

956545172 is a deficient number, since it is larger than the sum of its proper divisors (883421782).

956545172 is a wasteful number, since it uses less digits than its factorization.

956545172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976359 (or 1976346 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 956545172 is about 30928.0644722556. The cubic root of 956545172 is about 985.3000269612.

The spelling of 956545172 in words is "nine hundred fifty-six million, five hundred forty-five thousand, one hundred seventy-two".