525442373 has 4 divisors (see below), whose sum is σ = 531773088. Its totient is φ = 519111660.

The previous prime is 525442367. The next prime is 525442381. The reversal of 525442373 is 373244525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525442373 - 2¹⁰ = 525441349 is a prime.

It is a super-2 number, since 2×525442373² = 552179374687742258, 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 (525442303) 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, 3165233 + ... + 3165398.

It is an arithmetic number, because the mean of its divisors is an integer number (132943272).

Almost surely, 2^525442373 is an apocalyptic number.

It is an amenable number.

525442373 is a deficient number, since it is larger than the sum of its proper divisors (6330715).

525442373 is an equidigital number, since it uses as much as digits as its factorization.

525442373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330714.

The product of its digits is 100800, while the sum is 35.

The square root of 525442373 is about 22922.5298123920. The cubic root of 525442373 is about 806.9408426617.

Adding to 525442373 its reverse (373244525), we get a palindrome (898686898).

The spelling of 525442373 in words is "five hundred twenty-five million, four hundred forty-two thousand, three hundred seventy-three".