1525275125 has 16 divisors (see below), whose sum is σ = 2076594624. Its totient is φ = 1109290000.

The previous prime is 1525275091. The next prime is 1525275131. The reversal of 1525275125 is 5215725251.

It is not a de Polignac number, because 1525275125 - 2¹² = 1525271029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553271 + ... + 556020.

It is an arithmetic number, because the mean of its divisors is an integer number (129787164).

Almost surely, 2^1525275125 is an apocalyptic number.

It is an amenable number.

1525275125 is a deficient number, since it is larger than the sum of its proper divisors (551319499).

1525275125 is a wasteful number, since it uses less digits than its factorization.

1525275125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109317 (or 1109307 counting only the distinct ones).

The product of its digits is 35000, while the sum is 35.

The square root of 1525275125 is about 39054.7708353282. The cubic root of 1525275125 is about 1151.1079743906.

The spelling of 1525275125 in words is "one billion, five hundred twenty-five million, two hundred seventy-five thousand, one hundred twenty-five".