525250331 has 2 divisors, whose sum is σ = 525250332. Its totient is φ = 525250330.

The previous prime is 525250301. The next prime is 525250339. The reversal of 525250331 is 133052525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525250331 is a prime.

It is a super-2 number, since 2×525250331² = 551775820431219122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525250331.

It is not a weakly prime, because it can be changed into another prime (525250339) 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 as a sum of consecutive naturals, namely, 262625165 + 262625166.

It is an arithmetic number, because the mean of its divisors is an integer number (262625166).

Almost surely, 2^525250331 is an apocalyptic number.

525250331 is a deficient number, since it is larger than the sum of its proper divisors (1).

525250331 is an equidigital number, since it uses as much as digits as its factorization.

525250331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 525250331 is about 22918.3404940236. The cubic root of 525250331 is about 806.8425220690.

The spelling of 525250331 in words is "five hundred twenty-five million, two hundred fifty thousand, three hundred thirty-one".