1538425107 has 6 divisors (see below), whose sum is σ = 2222169612. Its totient is φ = 1025616732.

The previous prime is 1538425099. The next prime is 1538425129. The reversal of 1538425107 is 7015248351.

It is not a de Polignac number, because 1538425107 - 2³ = 1538425099 is a prime.

It is a super-2 number, since 2×1538425107² = 4733503619695922898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1538425157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85468053 + ... + 85468070.

It is an arithmetic number, because the mean of its divisors is an integer number (370361602).

Almost surely, 2^1538425107 is an apocalyptic number.

1538425107 is a deficient number, since it is larger than the sum of its proper divisors (683744505).

1538425107 is a wasteful number, since it uses less digits than its factorization.

1538425107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170936129 (or 170936126 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1538425107 is about 39222.7626130542. The cubic root of 1538425107 is about 1154.4065608315.

The spelling of 1538425107 in words is "one billion, five hundred thirty-eight million, four hundred twenty-five thousand, one hundred seven".