8249345 has 8 divisors (see below), whose sum is σ = 10660776. Its totient is φ = 6091776.

The previous prime is 8249333. The next prime is 8249357. The reversal of 8249345 is 5439428.

It is an interprime number because it is at equal distance from previous prime (8249333) and next prime (8249357).

It can be written as a sum of positive squares in 4 ways, for example, as 1157776 + 7091569 = 1076^2 + 2663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8249345 - 2⁸ = 8249089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63392 + ... + 63521.

It is an arithmetic number, because the mean of its divisors is an integer number (1332597).

It is a Proth number, since it is equal to 1007 ⋅ 2¹³ + 1 and 1007 < 2¹³.

Almost surely, 2^8249345 is an apocalyptic number.

It is an amenable number.

8249345 is a deficient number, since it is larger than the sum of its proper divisors (2411431).

8249345 is a wasteful number, since it uses less digits than its factorization.

8249345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126931.

The product of its digits is 34560, while the sum is 35.

The square root of 8249345 is about 2872.1673001411. The cubic root of 8249345 is about 202.0566533902.

The spelling of 8249345 in words is "eight million, two hundred forty-nine thousand, three hundred forty-five".