1925252804987 has 4 divisors (see below), whose sum is σ = 1925755092360. Its totient is φ = 1924750517616.

The previous prime is 1925252804977. The next prime is 1925252805043. The reversal of 1925252804987 is 7894082525291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1925252804987 - 2⁴⁰ = 825741177211 is a prime.

It is a super-2 number, since 2×1925252804987² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1925252804977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251137937 + ... + 251145602.

It is an arithmetic number, because the mean of its divisors is an integer number (481438773090).

Almost surely, 2^{1925252804987} is an apocalyptic number.

1925252804987 is a deficient number, since it is larger than the sum of its proper divisors (502287373).

1925252804987 is an equidigital number, since it uses as much as digits as its factorization.

1925252804987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502287372.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 1925252804987 in words is "one trillion, nine hundred twenty-five billion, two hundred fifty-two million, eight hundred four thousand, nine hundred eighty-seven".