525925789 has 2 divisors, whose sum is σ = 525925790. Its totient is φ = 525925788.

The previous prime is 525925769. The next prime is 525925801. The reversal of 525925789 is 987529525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484220025 + 41705764 = 22005^2 + 6458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525925789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525925769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262962894 + 262962895.

It is an arithmetic number, because the mean of its divisors is an integer number (262962895).

Almost surely, 2^525925789 is an apocalyptic number.

It is an amenable number.

525925789 is a deficient number, since it is larger than the sum of its proper divisors (1).

525925789 is an equidigital number, since it uses as much as digits as its factorization.

525925789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 52.

The square root of 525925789 is about 22933.0719486073. The cubic root of 525925789 is about 807.1882332835.

The spelling of 525925789 in words is "five hundred twenty-five million, nine hundred twenty-five thousand, seven hundred eighty-nine".