953372521 has 2 divisors, whose sum is σ = 953372522. Its totient is φ = 953372520.

The previous prime is 953372509. The next prime is 953372527. The reversal of 953372521 is 125273359.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641355625 + 312016896 = 25325^2 + 17664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-953372521 is a prime.

It is not a weakly prime, because it can be changed into another prime (953372527) 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 as a sum of consecutive naturals, namely, 476686260 + 476686261.

It is an arithmetic number, because the mean of its divisors is an integer number (476686261).

Almost surely, 2^953372521 is an apocalyptic number.

It is an amenable number.

953372521 is a deficient number, since it is larger than the sum of its proper divisors (1).

953372521 is an equidigital number, since it uses as much as digits as its factorization.

953372521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 953372521 is about 30876.7310607843. The cubic root of 953372521 is about 984.2094788475.

The spelling of 953372521 in words is "nine hundred fifty-three million, three hundred seventy-two thousand, five hundred twenty-one".