5906557 has 2 divisors, whose sum is σ = 5906558. Its totient is φ = 5906556.

The previous prime is 5906539. The next prime is 5906603. The reversal of 5906557 is 7556095.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5812921 + 93636 = 2411^2 + 306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5906557 is a prime.

It is a Chen prime.

5906557 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5901557) 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, 2953278 + 2953279.

It is an arithmetic number, because the mean of its divisors is an integer number (2953279).

Almost surely, 2^5906557 is an apocalyptic number.

It is an amenable number.

5906557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5906557 is an equidigital number, since it uses as much as digits as its factorization.

5906557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 5906557 is about 2430.3409225868. The cubic root of 5906557 is about 180.7638016686.

The spelling of 5906557 in words is "five million, nine hundred six thousand, five hundred fifty-seven".