525365263 has 4 divisors (see below), whose sum is σ = 556269120. Its totient is φ = 494461408.

The previous prime is 525365251. The next prime is 525365279. The reversal of 525365263 is 362563525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525365263 - 2⁵ = 525365231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525365233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15451903 + ... + 15451936.

It is an arithmetic number, because the mean of its divisors is an integer number (139067280).

Almost surely, 2^525365263 is an apocalyptic number.

525365263 is a deficient number, since it is larger than the sum of its proper divisors (30903857).

525365263 is a wasteful number, since it uses less digits than its factorization.

525365263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30903856.

The product of its digits is 162000, while the sum is 37.

The square root of 525365263 is about 22920.8477810050. The cubic root of 525365263 is about 806.9013671926.

The spelling of 525365263 in words is "five hundred twenty-five million, three hundred sixty-five thousand, two hundred sixty-three".