525870313 has 2 divisors, whose sum is σ = 525870314. Its totient is φ = 525870312.

The previous prime is 525870283. The next prime is 525870377. The reversal of 525870313 is 313078525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512931904 + 12938409 = 22648^2 + 3597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525870313 is a prime.

It is not a weakly prime, because it can be changed into another prime (525870013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262935156 + 262935157.

It is an arithmetic number, because the mean of its divisors is an integer number (262935157).

Almost surely, 2^525870313 is an apocalyptic number.

It is an amenable number.

525870313 is a deficient number, since it is larger than the sum of its proper divisors (1).

525870313 is an equidigital number, since it uses as much as digits as its factorization.

525870313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 525870313 is about 22931.8623971103. The cubic root of 525870313 is about 807.1598508578.

The spelling of 525870313 in words is "five hundred twenty-five million, eight hundred seventy thousand, three hundred thirteen".