525837881 has 2 divisors, whose sum is σ = 525837882. Its totient is φ = 525837880.

The previous prime is 525837817. The next prime is 525837883. The reversal of 525837881 is 188738525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265983481 + 259854400 = 16309^2 + 16120^2 .

It is a cyclic number.

It is not a de Polignac number, because 525837881 - 2⁶ = 525837817 is a prime.

It is a super-2 number, since 2×525837881² = 553010954189140322, which contains 22 as substring.

Together with 525837883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525837883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262918940 + 262918941.

It is an arithmetic number, because the mean of its divisors is an integer number (262918941).

Almost surely, 2^525837881 is an apocalyptic number.

It is an amenable number.

525837881 is a deficient number, since it is larger than the sum of its proper divisors (1).

525837881 is an equidigital number, since it uses as much as digits as its factorization.

525837881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 47.

The square root of 525837881 is about 22931.1552478282. The cubic root of 525837881 is about 807.1432571934.

The spelling of 525837881 in words is "five hundred twenty-five million, eight hundred thirty-seven thousand, eight hundred eighty-one".