52435431 has 20 divisors (see below), whose sum is σ = 79061400. Its totient is φ = 34630416.

The previous prime is 52435373. The next prime is 52435489. The reversal of 52435431 is 13453425.

It is an interprime number because it is at equal distance from previous prime (52435373) and next prime (52435489).

It is not a de Polignac number, because 52435431 - 2⁷ = 52435303 is a prime.

It is a super-2 number, since 2×52435431² = 5498948848311522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52435395 and 52435404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52435631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5860 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (3953070).

Almost surely, 2^52435431 is an apocalyptic number.

52435431 is a deficient number, since it is larger than the sum of its proper divisors (26625969).

52435431 is a wasteful number, since it uses less digits than its factorization.

52435431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060 (or 6051 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 52435431 is about 7241.2313179459. The cubic root of 52435431 is about 374.2900487662.

Adding to 52435431 its reverse (13453425), we get a palindrome (65888856).

The spelling of 52435431 in words is "fifty-two million, four hundred thirty-five thousand, four hundred thirty-one".