525076561 has 2 divisors, whose sum is σ = 525076562. Its totient is φ = 525076560.

The previous prime is 525076507. The next prime is 525076579. The reversal of 525076561 is 165670525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439698961 + 85377600 = 20969^2 + 9240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525076561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 525076561.

It is not a weakly prime, because it can be changed into another prime (525076061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262538280 + 262538281.

It is an arithmetic number, because the mean of its divisors is an integer number (262538281).

Almost surely, 2^525076561 is an apocalyptic number.

It is an amenable number.

525076561 is a deficient number, since it is larger than the sum of its proper divisors (1).

525076561 is an equidigital number, since it uses as much as digits as its factorization.

525076561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 525076561 is about 22914.5491118634. The cubic root of 525076561 is about 806.7535356175.

The spelling of 525076561 in words is "five hundred twenty-five million, seventy-six thousand, five hundred sixty-one".