525258431 has 2 divisors, whose sum is σ = 525258432. Its totient is φ = 525258430.

The previous prime is 525258403. The next prime is 525258449. The reversal of 525258431 is 134852525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525258431 - 2¹⁸ = 524996287 is a prime.

It is a super-4 number, since 4×525258431⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 525258391 and 525258400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525258131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262629215 + 262629216.

It is an arithmetic number, because the mean of its divisors is an integer number (262629216).

Almost surely, 2^525258431 is an apocalyptic number.

525258431 is a deficient number, since it is larger than the sum of its proper divisors (1).

525258431 is an equidigital number, since it uses as much as digits as its factorization.

525258431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48000, while the sum is 35.

The square root of 525258431 is about 22918.5172077078. The cubic root of 525258431 is about 806.8466695459.

The spelling of 525258431 in words is "five hundred twenty-five million, two hundred fifty-eight thousand, four hundred thirty-one".