1925456845 has 24 divisors (see below), whose sum is σ = 2601219096. Its totient is φ = 1360030848.

The previous prime is 1925456843. The next prime is 1925456857. The reversal of 1925456845 is 5486545291.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11744329 + 1913712516 = 3427^2 + 43746^2 .

It is not a de Polignac number, because 1925456845 - 2¹ = 1925456843 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925456843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6387 + ... + 62383.

It is an arithmetic number, because the mean of its divisors is an integer number (108384129).

Almost surely, 2^1925456845 is an apocalyptic number.

It is an amenable number.

1925456845 is a deficient number, since it is larger than the sum of its proper divisors (675762251).

1925456845 is a wasteful number, since it uses less digits than its factorization.

1925456845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56061 (or 56038 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

The square root of 1925456845 is about 43880.0278600641. The cubic root of 1925456845 is about 1244.0693668391.

The spelling of 1925456845 in words is "one billion, nine hundred twenty-five million, four hundred fifty-six thousand, eight hundred forty-five".