1887450725 has 12 divisors (see below), whose sum is σ = 2442197856. Its totient is φ = 1444309680.

The previous prime is 1887450713. The next prime is 1887450739. The reversal of 1887450725 is 5270547881.

It is not a de Polignac number, because 1887450725 - 2¹² = 1887446629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1887450725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1640687 + ... + 1641836.

It is an arithmetic number, because the mean of its divisors is an integer number (203516488).

Almost surely, 2^1887450725 is an apocalyptic number.

It is an amenable number.

1887450725 is a deficient number, since it is larger than the sum of its proper divisors (554747131).

1887450725 is a wasteful number, since it uses less digits than its factorization.

1887450725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282556 (or 3282551 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 47.

The square root of 1887450725 is about 43444.8008972305. The cubic root of 1887450725 is about 1235.8294514858.

The spelling of 1887450725 in words is "one billion, eight hundred eighty-seven million, four hundred fifty thousand, seven hundred twenty-five".