965537431 has 2 divisors, whose sum is σ = 965537432. Its totient is φ = 965537430.

The previous prime is 965537429. The next prime is 965537471. The reversal of 965537431 is 134735569.

It is a weak prime.

It is an emirp because it is prime and its reverse (134735569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 965537431 - 2¹ = 965537429 is a prime.

It is a super-2 number, since 2×965537431² = 1864525061324159522, which contains 22 as substring.

Together with 965537429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965537471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482768715 + 482768716.

It is an arithmetic number, because the mean of its divisors is an integer number (482768716).

Almost surely, 2^965537431 is an apocalyptic number.

965537431 is a deficient number, since it is larger than the sum of its proper divisors (1).

965537431 is an equidigital number, since it uses as much as digits as its factorization.

965537431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 965537431 is about 31073.0981879825. The cubic root of 965537431 is about 988.3779277101.

The spelling of 965537431 in words is "nine hundred sixty-five million, five hundred thirty-seven thousand, four hundred thirty-one".