8251945 has 16 divisors (see below), whose sum is σ = 10805760. Its totient is φ = 6012864.

The previous prime is 8251939. The next prime is 8251949. The reversal of 8251945 is 5491528.

It is not a de Polignac number, because 8251945 - 2³ = 8251937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8251945.

It is not an unprimeable number, because it can be changed into a prime (8251949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4332 + ... + 5938.

It is an arithmetic number, because the mean of its divisors is an integer number (675360).

Almost surely, 2^8251945 is an apocalyptic number.

It is an amenable number.

8251945 is a deficient number, since it is larger than the sum of its proper divisors (2553815).

8251945 is a wasteful number, since it uses less digits than its factorization.

8251945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its digits is 14400, while the sum is 34.

The square root of 8251945 is about 2872.6198843564. The cubic root of 8251945 is about 202.0778789992.

The spelling of 8251945 in words is "eight million, two hundred fifty-one thousand, nine hundred forty-five".