1495520725 has 6 divisors (see below), whose sum is σ = 1854445730. Its totient is φ = 1196416560.

The previous prime is 1495520687. The next prime is 1495520729. The reversal of 1495520725 is 5270255941.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 131400369 + 1364120356 = 11463^2 + 36934^2 .

It is not a de Polignac number, because 1495520725 - 2⁷ = 1495520597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1495520729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29910390 + ... + 29910439.

Almost surely, 2^1495520725 is an apocalyptic number.

It is an amenable number.

1495520725 is a deficient number, since it is larger than the sum of its proper divisors (358925005).

1495520725 is an equidigital number, since it uses as much as digits as its factorization.

1495520725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59820839 (or 59820834 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1495520725 is about 38671.9630352533. The cubic root of 1495520725 is about 1143.5736642760.

The spelling of 1495520725 in words is "one billion, four hundred ninety-five million, five hundred twenty thousand, seven hundred twenty-five".