331250641 has 8 divisors (see below), whose sum is σ = 333237960. Its totient is φ = 329269248.

The previous prime is 331250597. The next prime is 331250657. The reversal of 331250641 is 146052133.

It can be written as a sum of positive squares in 4 ways, for example, as 115777600 + 215473041 = 10760^2 + 14679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331250641 - 2¹³ = 331242449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331250041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157525 + ... + 159613.

It is an arithmetic number, because the mean of its divisors is an integer number (41654745).

Almost surely, 2^331250641 is an apocalyptic number.

It is an amenable number.

331250641 is a deficient number, since it is larger than the sum of its proper divisors (1987319).

331250641 is a wasteful number, since it uses less digits than its factorization.

331250641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 331250641 is about 18200.2923328171. The cubic root of 331250641 is about 691.9141981281.

The spelling of 331250641 in words is "three hundred thirty-one million, two hundred fifty thousand, six hundred forty-one".