1868018525 has 12 divisors (see below), whose sum is σ = 2365628352. Its totient is φ = 1462617840.

The previous prime is 1868018521. The next prime is 1868018527. The reversal of 1868018525 is 5258108681.

It is not a de Polignac number, because 1868018525 - 2² = 1868018521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868018521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793727 + ... + 796076.

It is an arithmetic number, because the mean of its divisors is an integer number (197135696).

Almost surely, 2^1868018525 is an apocalyptic number.

It is an amenable number.

1868018525 is a deficient number, since it is larger than the sum of its proper divisors (497609827).

1868018525 is a wasteful number, since it uses less digits than its factorization.

1868018525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589860 (or 1589855 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 44.

The square root of 1868018525 is about 43220.5798781090. The cubic root of 1868018525 is about 1231.5736627522.

The spelling of 1868018525 in words is "one billion, eight hundred sixty-eight million, eighteen thousand, five hundred twenty-five".