525298801 has 2 divisors, whose sum is σ = 525298802. Its totient is φ = 525298800.

The previous prime is 525298789. The next prime is 525298811. The reversal of 525298801 is 108892525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522579600 + 2719201 = 22860^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 525298801 - 2⁵ = 525298769 is a prime.

It is not a weakly prime, because it can be changed into another prime (525298811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262649400 + 262649401.

It is an arithmetic number, because the mean of its divisors is an integer number (262649401).

Almost surely, 2^525298801 is an apocalyptic number.

525298801 is the 14496-th centered pentagonal number.

It is an amenable number.

525298801 is a deficient number, since it is larger than the sum of its proper divisors (1).

525298801 is an equidigital number, since it uses as much as digits as its factorization.

525298801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 525298801 is about 22919.3979196662. The cubic root of 525298801 is about 806.8673397302.

The spelling of 525298801 in words is "five hundred twenty-five million, two hundred ninety-eight thousand, eight hundred one".