555525001 has 2 divisors, whose sum is σ = 555525002. Its totient is φ = 555525000.

The previous prime is 555524969. The next prime is 555525013. The reversal of 555525001 is 100525555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418611600 + 136913401 = 20460^2 + 11701^2 .

It is a cyclic number.

It is not a de Polignac number, because 555525001 - 2⁵ = 555524969 is a prime.

It is not a weakly prime, because it can be changed into another prime (555525071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277762500 + 277762501.

It is an arithmetic number, because the mean of its divisors is an integer number (277762501).

Almost surely, 2^555525001 is an apocalyptic number.

It is an amenable number.

555525001 is a deficient number, since it is larger than the sum of its proper divisors (1).

555525001 is an equidigital number, since it uses as much as digits as its factorization.

555525001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 555525001 is about 23569.5778706365. The cubic root of 555525001 is about 822.0556203644.

The spelling of 555525001 in words is "five hundred fifty-five million, five hundred twenty-five thousand, one".