1872881025 has 24 divisors (see below), whose sum is σ = 3172026144. Its totient is φ = 974505600.

The previous prime is 1872881009. The next prime is 1872881047. The reversal of 1872881025 is 5201882781.

It is not a de Polignac number, because 1872881025 - 2⁴ = 1872881009 is a prime.

It is a Curzon 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, 301459 + ... + 307608.

It is an arithmetic number, because the mean of its divisors is an integer number (132167756).

Almost surely, 2^1872881025 is an apocalyptic number.

1872881025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1872881025 is a deficient number, since it is larger than the sum of its proper divisors (1299145119).

1872881025 is a wasteful number, since it uses less digits than its factorization.

1872881025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609121 (or 609116 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 1872881025 is about 43276.7954566879. The cubic root of 1872881025 is about 1232.6413428029.

The spelling of 1872881025 in words is "one billion, eight hundred seventy-two million, eight hundred eighty-one thousand, twenty-five".