525700993 has 2 divisors, whose sum is σ = 525700994. Its totient is φ = 525700992.

The previous prime is 525700963. The next prime is 525701093. The reversal of 525700993 is 399007525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299739969 + 225961024 = 17313^2 + 15032^2 .

It is a cyclic number.

It is not a de Polignac number, because 525700993 - 2¹³ = 525692801 is a prime.

It is not a weakly prime, because it can be changed into another prime (525700943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262850496 + 262850497.

It is an arithmetic number, because the mean of its divisors is an integer number (262850497).

Almost surely, 2^525700993 is an apocalyptic number.

It is an amenable number.

525700993 is a deficient number, since it is larger than the sum of its proper divisors (1).

525700993 is an equidigital number, since it uses as much as digits as its factorization.

525700993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 525700993 is about 22928.1702933313. The cubic root of 525700993 is about 807.0732116406.

The spelling of 525700993 in words is "five hundred twenty-five million, seven hundred thousand, nine hundred ninety-three".