525390963 has 4 divisors (see below), whose sum is σ = 700521288. Its totient is φ = 350260640.

The previous prime is 525390953. The next prime is 525390989. The reversal of 525390963 is 369093525.

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 525390963 - 2⁴ = 525390947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525390953) 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, 87565158 + ... + 87565163.

It is an arithmetic number, because the mean of its divisors is an integer number (175130322).

Almost surely, 2^525390963 is an apocalyptic number.

525390963 is a deficient number, since it is larger than the sum of its proper divisors (175130325).

525390963 is a wasteful number, since it uses less digits than its factorization.

525390963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175130324.

The product of its (nonzero) digits is 218700, while the sum is 42.

The square root of 525390963 is about 22921.4083991364. The cubic root of 525390963 is about 806.9145244050.

The spelling of 525390963 in words is "five hundred twenty-five million, three hundred ninety thousand, nine hundred sixty-three".