2115469 has 2 divisors, whose sum is σ = 2115470. Its totient is φ = 2115468.

The previous prime is 2115461. The next prime is 2115481. The reversal of 2115469 is 9645112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 927369 = 1090^2 + 963^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115469 - 2³ = 2115461 is a prime.

It is a super-2 number, since 2×2115469² = 8950418179922, which contains 22 as substring.

It is equal to p₁₅₆₈₈₀ and since 2115469 and 156880 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057734 + 1057735.

It is an arithmetic number, because the mean of its divisors is an integer number (1057735).

2^2115469 is an apocalyptic number.

It is an amenable number.

2115469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115469 is an equidigital number, since it uses as much as digits as its factorization.

2115469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 2115469 is about 1454.4651938084. The cubic root of 2115469 is about 128.3715805867.

The spelling of 2115469 in words is "two million, one hundred fifteen thousand, four hundred sixty-nine".