4212557 has 2 divisors, whose sum is σ = 4212558. Its totient is φ = 4212556.

The previous prime is 4212529. The next prime is 4212577. The reversal of 4212557 is 7552124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 1012036 = 1789^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 4212557 - 2¹⁰ = 4211533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106278 + 2106279.

It is an arithmetic number, because the mean of its divisors is an integer number (2106279).

Almost surely, 2^4212557 is an apocalyptic number.

It is an amenable number.

4212557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212557 is an equidigital number, since it uses as much as digits as its factorization.

4212557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 26.

The square root of 4212557 is about 2052.4514610582. The cubic root of 4212557 is about 161.5034968746.

The spelling of 4212557 in words is "four million, two hundred twelve thousand, five hundred fifty-seven".