1500725549 has 2 divisors, whose sum is σ = 1500725550. Its totient is φ = 1500725548.

The previous prime is 1500725519. The next prime is 1500725579. The reversal of 1500725549 is 9455270051.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1500725519) and next prime (1500725579).

It can be written as a sum of positive squares in only one way, i.e., 1280351524 + 220374025 = 35782^2 + 14845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500725549 - 2²⁸ = 1232290093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500725519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750362774 + 750362775.

It is an arithmetic number, because the mean of its divisors is an integer number (750362775).

Almost surely, 2^1500725549 is an apocalyptic number.

It is an amenable number.

1500725549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500725549 is an equidigital number, since it uses as much as digits as its factorization.

1500725549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1500725549 is about 38739.1991269825. The cubic root of 1500725549 is about 1144.8987786419.

The spelling of 1500725549 in words is "one billion, five hundred million, seven hundred twenty-five thousand, five hundred forty-nine".