525300431 has 4 divisors (see below), whose sum is σ = 525917112. Its totient is φ = 524683752.

The previous prime is 525300421. The next prime is 525300449. The reversal of 525300431 is 134003525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525300431 - 2⁶ = 525300367 is a prime.

It is a super-2 number, since 2×525300431² = 551881085617571522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525300397 and 525300406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525300421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307061 + ... + 308766.

It is an arithmetic number, because the mean of its divisors is an integer number (131479278).

Almost surely, 2^525300431 is an apocalyptic number.

525300431 is a deficient number, since it is larger than the sum of its proper divisors (616681).

525300431 is an equidigital number, since it uses as much as digits as its factorization.

525300431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616680.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 525300431 is about 22919.4334790370. The cubic root of 525300431 is about 806.8681742980.

Adding to 525300431 its reverse (134003525), we get a palindrome (659303956).

The spelling of 525300431 in words is "five hundred twenty-five million, three hundred thousand, four hundred thirty-one".