2418557 has 2 divisors, whose sum is σ = 2418558. Its totient is φ = 2418556.

The previous prime is 2418553. The next prime is 2418613. The reversal of 2418557 is 7558142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 606841 = 1346^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418557 - 2² = 2418553 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2418553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209278 + 1209279.

It is an arithmetic number, because the mean of its divisors is an integer number (1209279).

2^2418557 is an apocalyptic number.

It is an amenable number.

2418557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2418557 is an equidigital number, since it uses as much as digits as its factorization.

2418557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 32.

The square root of 2418557 is about 1555.1710516853. The cubic root of 2418557 is about 134.2307785271.

It can be divided in two parts, 24185 and 57, that added together give a palindrome (24242).

The spelling of 2418557 in words is "two million, four hundred eighteen thousand, five hundred fifty-seven".