3115245 has 16 divisors (see below), whose sum is σ = 5696640. Its totient is φ = 1424064.

The previous prime is 3115241. The next prime is 3115249. The reversal of 3115245 is 5425113.

It is an interprime number because it is at equal distance from previous prime (3115241) and next prime (3115249).

It is not a de Polignac number, because 3115245 - 2² = 3115241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

3115245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14730 + ... + 14939.

It is an arithmetic number, because the mean of its divisors is an integer number (356040).

Almost surely, 2^3115245 is an apocalyptic number.

3115245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3115245 is a deficient number, since it is larger than the sum of its proper divisors (2581395).

3115245 is a wasteful number, since it uses less digits than its factorization.

3115245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29684.

The product of its digits is 600, while the sum is 21.

The square root of 3115245 is about 1765.0056657133. The cubic root of 3115245 is about 146.0486014463.

The spelling of 3115245 in words is "three million, one hundred fifteen thousand, two hundred forty-five".