8250649 has 4 divisors (see below), whose sum is σ = 9000720. Its totient is φ = 7500580.

The previous prime is 8250643. The next prime is 8250653. The reversal of 8250649 is 9460528.

It is a happy number.

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 8250649 - 2¹³ = 8242457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8250643) 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, 375019 + ... + 375040.

It is an arithmetic number, because the mean of its divisors is an integer number (2250180).

Almost surely, 2^8250649 is an apocalyptic number.

It is an amenable number.

8250649 is a deficient number, since it is larger than the sum of its proper divisors (750071).

8250649 is a wasteful number, since it uses less digits than its factorization.

8250649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750070.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 8250649 is about 2872.3942974459. The cubic root of 8250649 is about 202.0672994069.

The spelling of 8250649 in words is "eight million, two hundred fifty thousand, six hundred forty-nine".