1537428525 has 12 divisors (see below), whose sum is σ = 2541881952. Its totient is φ = 819961840.

The previous prime is 1537428523. The next prime is 1537428547. The reversal of 1537428525 is 5258247351.

1537428525 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1537428525 - 2¹ = 1537428523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1537428523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10249449 + ... + 10249598.

It is an arithmetic number, because the mean of its divisors is an integer number (211823496).

Almost surely, 2^1537428525 is an apocalyptic number.

1537428525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1537428525 is a deficient number, since it is larger than the sum of its proper divisors (1004453427).

1537428525 is a wasteful number, since it uses less digits than its factorization.

1537428525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20499060 (or 20499055 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 1537428525 is about 39210.0564268913. The cubic root of 1537428525 is about 1154.1572345771.

The spelling of 1537428525 in words is "one billion, five hundred thirty-seven million, four hundred twenty-eight thousand, five hundred twenty-five".