9025017901 has 2 divisors, whose sum is σ = 9025017902. Its totient is φ = 9025017900.

The previous prime is 9025017889. The next prime is 9025017923. The reversal of 9025017901 is 1097105209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6839455401 + 2185562500 = 82701^2 + 46750^2 .

It is a cyclic number.

It is not a de Polignac number, because 9025017901 - 2⁹ = 9025017389 is a prime.

It is a super-2 number, since 2×9025017901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9025017971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512508950 + 4512508951.

It is an arithmetic number, because the mean of its divisors is an integer number (4512508951).

Almost surely, 2^9025017901 is an apocalyptic number.

It is an amenable number.

9025017901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9025017901 is an equidigital number, since it uses as much as digits as its factorization.

9025017901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 9025017901 is about 95000.0942157428. The cubic root of 9025017901 is about 2082.0094225488.

The spelling of 9025017901 in words is "nine billion, twenty-five million, seventeen thousand, nine hundred one".