1523311350625 has 15 divisors (see below), whose sum is σ = 1903568421711. Its totient is φ = 1218624396000.

The previous prime is 1523311350611. The next prime is 1523311350677. The reversal of 1523311350625 is 5260531133251.

The square root of 1523311350625 is 1234225.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 1491092536609 + 32218814016 = 1221103^2 + 179496^2 .

It is not a de Polignac number, because 1523311350625 - 2⁵ = 1523311350593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 30830941 + ... + 30880309.

Almost surely, 2^{1523311350625} is an apocalyptic number.

1523311350625 is the 1234225-th square number.

1523311350625 is the 617113-rd centered octagonal number.

It is an amenable number.

1523311350625 is a deficient number, since it is larger than the sum of its proper divisors (380257071086).

1523311350625 is an frugal number, since it uses more digits than its factorization.

1523311350625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98758 (or 49374 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 1523311350625 its reverse (5260531133251), we get a palindrome (6783842483876).

The spelling of 1523311350625 in words is "one trillion, five hundred twenty-three billion, three hundred eleven million, three hundred fifty thousand, six hundred twenty-five".