945431 has 2 divisors, whose sum is σ = 945432. Its totient is φ = 945430.

The previous prime is 945409. The next prime is 945457. The reversal of 945431 is 134549.

It is an a-pointer prime, because the next prime (945457) can be obtained adding 945431 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945431 - 2⁶ = 945367 is a prime.

It is a super-2 number, since 2×945431² = 1787679551522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 945431.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945431.

It is not a weakly prime, because it can be changed into another prime (945481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472715 + 472716.

It is an arithmetic number, because the mean of its divisors is an integer number (472716).

2⁹⁴⁵⁴³¹ is an apocalyptic number.

945431 is a deficient number, since it is larger than the sum of its proper divisors (1).

945431 is an equidigital number, since it uses as much as digits as its factorization.

945431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 945431 is about 972.3327619699. The cubic root of 945431 is about 98.1469058697.

The spelling of 945431 in words is "nine hundred forty-five thousand, four hundred thirty-one".