525260279 has 2 divisors, whose sum is σ = 525260280. Its totient is φ = 525260278.

The previous prime is 525260261. The next prime is 525260287. The reversal of 525260279 is 972062525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525260279 - 2¹² = 525256183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525260479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262630139 + 262630140.

It is an arithmetic number, because the mean of its divisors is an integer number (262630140).

Almost surely, 2^525260279 is an apocalyptic number.

525260279 is a deficient number, since it is larger than the sum of its proper divisors (1).

525260279 is an equidigital number, since it uses as much as digits as its factorization.

525260279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 525260279 is about 22918.5575244168. The cubic root of 525260279 is about 806.8476157791.

The spelling of 525260279 in words is "five hundred twenty-five million, two hundred sixty thousand, two hundred seventy-nine".