2406540457 has 2 divisors, whose sum is σ = 2406540458. Its totient is φ = 2406540456.

The previous prime is 2406540449. The next prime is 2406540517. The reversal of 2406540457 is 7540456042.

2406540457 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., 1518738841 + 887801616 = 38971^2 + 29796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406540457 - 2³ = 2406540449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2406550457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203270228 + 1203270229.

It is an arithmetic number, because the mean of its divisors is an integer number (1203270229).

Almost surely, 2^2406540457 is an apocalyptic number.

It is an amenable number.

2406540457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406540457 is an equidigital number, since it uses as much as digits as its factorization.

2406540457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 2406540457 is about 49056.5026984191. The cubic root of 2406540457 is about 1340.0810185290.

Adding to 2406540457 its reverse (7540456042), we get a palindrome (9946996499).

The spelling of 2406540457 in words is "two billion, four hundred six million, five hundred forty thousand, four hundred fifty-seven".