2455117 has 4 divisors (see below), whose sum is σ = 2805856. Its totient is φ = 2104380.

The previous prime is 2455091. The next prime is 2455127. The reversal of 2455117 is 7115542.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455117 is a prime.

It is a Duffinian number.

2455117 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2455091 and 2455100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455127) 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, 175359 + ... + 175372.

It is an arithmetic number, because the mean of its divisors is an integer number (701464).

2^2455117 is an apocalyptic number.

It is an amenable number.

2455117 is a deficient number, since it is larger than the sum of its proper divisors (350739).

2455117 is an equidigital number, since it uses as much as digits as its factorization.

2455117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350738.

The product of its digits is 1400, while the sum is 25.

The square root of 2455117 is about 1566.8812973547. The cubic root of 2455117 is about 134.9037631453.

The spelling of 2455117 in words is "two million, four hundred fifty-five thousand, one hundred seventeen".