1925227697 has 4 divisors (see below), whose sum is σ = 1977260916. Its totient is φ = 1873194480.

The previous prime is 1925227663. The next prime is 1925227721. The reversal of 1925227697 is 7967225291.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1414060816 + 511166881 = 37604^2 + 22609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1925227697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1925227607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26016554 + ... + 26016627.

It is an arithmetic number, because the mean of its divisors is an integer number (494315229).

Almost surely, 2^1925227697 is an apocalyptic number.

It is an amenable number.

1925227697 is a deficient number, since it is larger than the sum of its proper divisors (52033219).

1925227697 is an equidigital number, since it uses as much as digits as its factorization.

1925227697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52033218.

The product of its digits is 952560, while the sum is 50.

The square root of 1925227697 is about 43877.4167083706. The cubic root of 1925227697 is about 1244.0200127827.

The spelling of 1925227697 in words is "one billion, nine hundred twenty-five million, two hundred twenty-seven thousand, six hundred ninety-seven".