15283140625 has 63 divisors (see below), whose sum is σ = 20445617199. Its totient is φ = 11422950000.

The previous prime is 15283140623. The next prime is 15283140667. The reversal of 15283140625 is 52604138251.

The square root of 15283140625 is 123625.

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

It can be written as a sum of positive squares in 3 ways, for example, as 13389498369 + 1893642256 = 115713^2 + 43516^2 .

It is not a de Polignac number, because 15283140625 - 2¹ = 15283140623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15283140623) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 355421854 + ... + 355421896.

Almost surely, 2^15283140625 is an apocalyptic number.

15283140625 is the 123625-th square number.

15283140625 is the 61813-rd centered octagonal number.

It is an amenable number.

15283140625 is a deficient number, since it is larger than the sum of its proper divisors (5162476574).

15283140625 is an frugal number, since it uses more digits than its factorization.

15283140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

Multiplying 15283140625 by its product of nonzero digits (57600), we get a square (880308900000000 = 29670000²).

Adding to 15283140625 its reverse (52604138251), we get a palindrome (67887278876).

The spelling of 15283140625 in words is "fifteen billion, two hundred eighty-three million, one hundred forty thousand, six hundred twenty-five".