525553801 has 2 divisors, whose sum is σ = 525553802. Its totient is φ = 525553800.

The previous prime is 525553789. The next prime is 525553871. The reversal of 525553801 is 108355525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522168201 + 3385600 = 22851^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 525553801 - 2¹³ = 525545609 is a prime.

It is not a weakly prime, because it can be changed into another prime (525553871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262776900 + 262776901.

It is an arithmetic number, because the mean of its divisors is an integer number (262776901).

Almost surely, 2^525553801 is an apocalyptic number.

It is an amenable number.

525553801 is a deficient number, since it is larger than the sum of its proper divisors (1).

525553801 is an equidigital number, since it uses as much as digits as its factorization.

525553801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 525553801 is about 22924.9602180680. The cubic root of 525553801 is about 806.9978799656.

The spelling of 525553801 in words is "five hundred twenty-five million, five hundred fifty-three thousand, eight hundred one".