2985431 has 2 divisors, whose sum is σ = 2985432. Its totient is φ = 2985430.

The previous prime is 2985397. The next prime is 2985443. The reversal of 2985431 is 1345892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2985431 - 2¹⁰ = 2984407 is a prime.

It is a super-2 number, since 2×2985431² = 17825596511522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2985491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492715 + 1492716.

It is an arithmetic number, because the mean of its divisors is an integer number (1492716).

2^2985431 is an apocalyptic number.

2985431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985431 is an equidigital number, since it uses as much as digits as its factorization.

2985431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 2985431 is about 1727.8399810168. The cubic root of 2985431 is about 143.9911099193.

The spelling of 2985431 in words is "two million, nine hundred eighty-five thousand, four hundred thirty-one".