4248557 has 2 divisors, whose sum is σ = 4248558. Its totient is φ = 4248556.

The previous prime is 4248553. The next prime is 4248611. The reversal of 4248557 is 7558424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 1522756 = 1651^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248557 - 2² = 4248553 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124278 + 2124279.

It is an arithmetic number, because the mean of its divisors is an integer number (2124279).

Almost surely, 2^4248557 is an apocalyptic number.

It is an amenable number.

4248557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248557 is an equidigital number, since it uses as much as digits as its factorization.

4248557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 35.

The square root of 4248557 is about 2061.2028041898. The cubic root of 4248557 is about 161.9622555972.

The spelling of 4248557 in words is "four million, two hundred forty-eight thousand, five hundred fifty-seven".