431442065 has 16 divisors (see below), whose sum is σ = 549182592. Its totient is φ = 324259584.

The previous prime is 431442059. The next prime is 431442071. The reversal of 431442065 is 560244134.

It is an interprime number because it is at equal distance from previous prime (431442059) and next prime (431442071).

It is a cyclic number.

It is not a de Polignac number, because 431442065 - 2⁴ = 431442049 is a prime.

It is a super-2 number, since 2×431442065² = 372284510902928450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45572 + ... + 54218.

It is an arithmetic number, because the mean of its divisors is an integer number (34323912).

Almost surely, 2^431442065 is an apocalyptic number.

It is an amenable number.

431442065 is a deficient number, since it is larger than the sum of its proper divisors (117740527).

431442065 is a wasteful number, since it uses less digits than its factorization.

431442065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 431442065 is about 20771.1835242963. The cubic root of 431442065 is about 755.6270480416.

Adding to 431442065 its reverse (560244134), we get a palindrome (991686199).

The spelling of 431442065 in words is "four hundred thirty-one million, four hundred forty-two thousand, sixty-five".