2406557 has 2 divisors, whose sum is σ = 2406558. Its totient is φ = 2406556.

The previous prime is 2406553. The next prime is 2406583. The reversal of 2406557 is 7556042.

2406557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 586756 = 1349^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406557 - 2² = 2406553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203278 + 1203279.

It is an arithmetic number, because the mean of its divisors is an integer number (1203279).

2^2406557 is an apocalyptic number.

It is an amenable number.

2406557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406557 is an equidigital number, since it uses as much as digits as its factorization.

2406557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2406557 is about 1551.3081576528. The cubic root of 2406557 is about 134.0084089176.

The spelling of 2406557 in words is "two million, four hundred six thousand, five hundred fifty-seven".