2658215 has 16 divisors (see below), whose sum is σ = 3716928. Its totient is φ = 1787136.

The previous prime is 2658209. The next prime is 2658221. The reversal of 2658215 is 5128562.

It is an interprime number because it is at equal distance from previous prime (2658209) and next prime (2658221).

It is a cyclic number.

It is not a de Polignac number, because 2658215 - 2⁴ = 2658199 is a prime.

It is a super-2 number, since 2×2658215² = 14132213972450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (232308).

2^2658215 is an apocalyptic number.

2658215 is a deficient number, since it is larger than the sum of its proper divisors (1058713).

2658215 is a wasteful number, since it uses less digits than its factorization.

2658215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498.

The product of its digits is 4800, while the sum is 29.

The square root of 2658215 is about 1630.4033243342. The cubic root of 2658215 is about 138.5255983651.

The spelling of 2658215 in words is "two million, six hundred fifty-eight thousand, two hundred fifteen".