525868099 has 2 divisors, whose sum is σ = 525868100. Its totient is φ = 525868098.

The previous prime is 525868039. The next prime is 525868117. The reversal of 525868099 is 990868525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525868099 - 2⁷ = 525867971 is a prime.

It is not a weakly prime, because it can be changed into another prime (525868039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262934049 + 262934050.

It is an arithmetic number, because the mean of its divisors is an integer number (262934050).

Almost surely, 2^525868099 is an apocalyptic number.

525868099 is a deficient number, since it is larger than the sum of its proper divisors (1).

525868099 is an equidigital number, since it uses as much as digits as its factorization.

525868099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 525868099 is about 22931.8141236144. The cubic root of 525868099 is about 807.1587180979.

It can be divided in two parts, 525 and 868099, that added together give a square (868624 = 932²).

The spelling of 525868099 in words is "five hundred twenty-five million, eight hundred sixty-eight thousand, ninety-nine".