1501225489 has 2 divisors, whose sum is σ = 1501225490. Its totient is φ = 1501225488.

The previous prime is 1501225423. The next prime is 1501225493. The reversal of 1501225489 is 9845221051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431335889 + 69889600 = 37833^2 + 8360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501225489 - 2⁷ = 1501225361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1501225889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750612744 + 750612745.

It is an arithmetic number, because the mean of its divisors is an integer number (750612745).

Almost surely, 2^1501225489 is an apocalyptic number.

It is an amenable number.

1501225489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501225489 is an equidigital number, since it uses as much as digits as its factorization.

1501225489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1501225489 is about 38745.6512269442. The cubic root of 1501225489 is about 1145.0258987423.

The spelling of 1501225489 in words is "one billion, five hundred one million, two hundred twenty-five thousand, four hundred eighty-nine".