525149563 has 2 divisors, whose sum is σ = 525149564. Its totient is φ = 525149562.

The previous prime is 525149543. The next prime is 525149587. The reversal of 525149563 is 365941525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525149563 - 2¹⁷ = 525018491 is a prime.

It is not a weakly prime, because it can be changed into another prime (525149503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262574781 + 262574782.

It is an arithmetic number, because the mean of its divisors is an integer number (262574782).

Almost surely, 2^525149563 is an apocalyptic number.

525149563 is a deficient number, since it is larger than the sum of its proper divisors (1).

525149563 is an equidigital number, since it uses as much as digits as its factorization.

525149563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 40.

The square root of 525149563 is about 22916.1419745995. The cubic root of 525149563 is about 806.7909218432.

The spelling of 525149563 in words is "five hundred twenty-five million, one hundred forty-nine thousand, five hundred sixty-three".