535247431 has 16 divisors (see below), whose sum is σ = 575078400. Its totient is φ = 496395648.

The previous prime is 535247429. The next prime is 535247459. The reversal of 535247431 is 134742535.

It is not a de Polignac number, because 535247431 - 2¹ = 535247429 is a prime.

It is a super-2 number, since 2×535247431² = 572979624784199522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535247731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417850 + ... + 419128.

It is an arithmetic number, because the mean of its divisors is an integer number (35942400).

Almost surely, 2^535247431 is an apocalyptic number.

535247431 is a deficient number, since it is larger than the sum of its proper divisors (39830969).

535247431 is a wasteful number, since it uses less digits than its factorization.

535247431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its digits is 50400, while the sum is 34.

The square root of 535247431 is about 23135.4150816449. The cubic root of 535247431 is about 811.9292684917.

Adding to 535247431 its reverse (134742535), we get a palindrome (669989966).

The spelling of 535247431 in words is "five hundred thirty-five million, two hundred forty-seven thousand, four hundred thirty-one".