945331 has 2 divisors, whose sum is σ = 945332. Its totient is φ = 945330.

The previous prime is 945293. The next prime is 945341. The reversal of 945331 is 133549.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945331 is a prime.

It is a super-2 number, since 2×945331² = 1787301399122, which contains 22 as substring.

945331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 945296 and 945305.

It is not a weakly prime, because it can be changed into another prime (945341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472665 + 472666.

It is an arithmetic number, because the mean of its divisors is an integer number (472666).

2⁹⁴⁵³³¹ is an apocalyptic number.

945331 is a deficient number, since it is larger than the sum of its proper divisors (1).

945331 is an equidigital number, since it uses as much as digits as its factorization.

945331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 945331 is about 972.2813378853. The cubic root of 945331 is about 98.1434453539.

The spelling of 945331 in words is "nine hundred forty-five thousand, three hundred thirty-one".