2115375 has 16 divisors (see below), whose sum is σ = 3520608. Its totient is φ = 1128000.

The previous prime is 2115371. The next prime is 2115397. The reversal of 2115375 is 5735112.

It is not a de Polignac number, because 2115375 - 2² = 2115371 is a prime.

It is a super-2 number, since 2×2115375² = 8949622781250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115371) 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, 2446 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (220038).

2^2115375 is an apocalyptic number.

2115375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2115375 is a deficient number, since it is larger than the sum of its proper divisors (1405233).

2115375 is an equidigital number, since it uses as much as digits as its factorization.

2115375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659 (or 5649 counting only the distinct ones).

The product of its digits is 1050, while the sum is 24.

The square root of 2115375 is about 1454.4328791663. The cubic root of 2115375 is about 128.3696791789.

The spelling of 2115375 in words is "two million, one hundred fifteen thousand, three hundred seventy-five".