2115357 has 4 divisors (see below), whose sum is σ = 2820480. Its totient is φ = 1410236.

The previous prime is 2115343. The next prime is 2115371. The reversal of 2115357 is 7535112.

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 an interprime number because it is at equal distance from previous prime (2115343) and next prime (2115371).

It is a cyclic number.

It is not a de Polignac number, because 2115357 - 2⁷ = 2115229 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115307) 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, 352557 + ... + 352562.

It is an arithmetic number, because the mean of its divisors is an integer number (705120).

2^2115357 is an apocalyptic number.

It is an amenable number.

2115357 is a deficient number, since it is larger than the sum of its proper divisors (705123).

2115357 is an equidigital number, since it uses as much as digits as its factorization.

2115357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705122.

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

The square root of 2115357 is about 1454.4266911742. The cubic root of 2115357 is about 128.3693150732.

The spelling of 2115357 in words is "two million, one hundred fifteen thousand, three hundred fifty-seven".