2545117 has 2 divisors, whose sum is σ = 2545118. Its totient is φ = 2545116.

The previous prime is 2545093. The next prime is 2545141. The reversal of 2545117 is 7115452.

It is a balanced prime because it is at equal distance from previous prime (2545093) and next prime (2545141).

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 298116 = 1499^2 + 546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545091 and 2545100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272558 + 1272559.

It is an arithmetic number, because the mean of its divisors is an integer number (1272559).

2^2545117 is an apocalyptic number.

It is an amenable number.

2545117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545117 is an equidigital number, since it uses as much as digits as its factorization.

2545117 is an evil number, because the sum of its binary digits is even.

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

The square root of 2545117 is about 1595.3422830227. The cubic root of 2545117 is about 136.5324606257.

It can be divided in two parts, 2545 and 117, that added together give a palindrome (2662).

The spelling of 2545117 in words is "two million, five hundred forty-five thousand, one hundred seventeen".