1925676897 has 4 divisors (see below), whose sum is σ = 2567569200. Its totient is φ = 1283784596.

The previous prime is 1925676871. The next prime is 1925676899. The reversal of 1925676897 is 7986765291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1925676897 - 2¹⁹ = 1925152609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1925676897.

It is not an unprimeable number, because it can be changed into a prime (1925676899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320946147 + ... + 320946152.

It is an arithmetic number, because the mean of its divisors is an integer number (641892300).

Almost surely, 2^1925676897 is an apocalyptic number.

It is an amenable number.

1925676897 is a deficient number, since it is larger than the sum of its proper divisors (641892303).

1925676897 is an equidigital number, since it uses as much as digits as its factorization.

1925676897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641892302.

The product of its digits is 11430720, while the sum is 60.

The square root of 1925676897 is about 43882.5352161882. The cubic root of 1925676897 is about 1244.1167581071.

The spelling of 1925676897 in words is "one billion, nine hundred twenty-five million, six hundred seventy-six thousand, eight hundred ninety-seven".