1523731125 has 128 divisors (see below), whose sum is σ = 3086254080. Its totient is φ = 652147200.

The previous prime is 1523731123. The next prime is 1523731129. The reversal of 1523731125 is 5211373251.

It is not a de Polignac number, because 1523731125 - 2¹ = 1523731123 is a prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1523731092 and 1523731101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523731123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6832764 + ... + 6832986.

It is an arithmetic number, because the mean of its divisors is an integer number (24111360).

Almost surely, 2^1523731125 is an apocalyptic number.

1523731125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1523731125 is an abundant number, since it is smaller than the sum of its proper divisors (1562522955).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1523731125 is a wasteful number, since it uses less digits than its factorization.

1523731125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 394 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 1523731125 is about 39034.9987190982. The cubic root of 1523731125 is about 1150.7194301141.

The spelling of 1523731125 in words is "one billion, five hundred twenty-three million, seven hundred thirty-one thousand, one hundred twenty-five".