331525673 has 2 divisors, whose sum is σ = 331525674. Its totient is φ = 331525672.

The previous prime is 331525627. The next prime is 331525717. The reversal of 331525673 is 376525133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260241424 + 71284249 = 16132^2 + 8443^2 .

It is a cyclic number.

It is not a de Polignac number, because 331525673 - 2⁸ = 331525417 is a prime.

It is not a weakly prime, because it can be changed into another prime (331525373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165762836 + 165762837.

It is an arithmetic number, because the mean of its divisors is an integer number (165762837).

Almost surely, 2^331525673 is an apocalyptic number.

It is an amenable number.

331525673 is a deficient number, since it is larger than the sum of its proper divisors (1).

331525673 is an equidigital number, since it uses as much as digits as its factorization.

331525673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 35.

The square root of 331525673 is about 18207.8464679379. The cubic root of 331525673 is about 692.1056401755.

The spelling of 331525673 in words is "three hundred thirty-one million, five hundred twenty-five thousand, six hundred seventy-three".