1375823725 has 24 divisors (see below), whose sum is σ = 1844371040. Its totient is φ = 1014534720.

The previous prime is 1375823711. The next prime is 1375823749. The reversal of 1375823725 is 5273285731.

It is a happy number.

It is not a de Polignac number, because 1375823725 - 2¹¹ = 1375821677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21567 + ... + 56716.

Almost surely, 2^1375823725 is an apocalyptic number.

It is an amenable number.

1375823725 is a deficient number, since it is larger than the sum of its proper divisors (468547315).

1375823725 is a wasteful number, since it uses less digits than its factorization.

1375823725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78349 (or 78344 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 1375823725 is about 37092.0978781195. The cubic root of 1375823725 is about 1112.2120552602.

The spelling of 1375823725 in words is "one billion, three hundred seventy-five million, eight hundred twenty-three thousand, seven hundred twenty-five".