8250749 has 6 divisors (see below), whose sum is σ = 8934426. Its totient is φ = 7615920.

The previous prime is 8250727. The next prime is 8250751. The reversal of 8250749 is 9470528.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 168100 + 8082649 = 410^2 + 2843^2 .

It is not a de Polignac number, because 8250749 - 2⁸ = 8250493 is a prime.

It is a super-2 number, since 2×8250749² = 136149718122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8250349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24242 + ... + 24579.

It is an arithmetic number, because the mean of its divisors is an integer number (1489071).

Almost surely, 2^8250749 is an apocalyptic number.

It is an amenable number.

8250749 is a deficient number, since it is larger than the sum of its proper divisors (683677).

8250749 is a wasteful number, since it uses less digits than its factorization.

8250749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48847 (or 48834 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 8250749 is about 2872.4117044741. The cubic root of 8250749 is about 202.0681157729.

The spelling of 8250749 in words is "eight million, two hundred fifty thousand, seven hundred forty-nine".