4913257 has 2 divisors, whose sum is σ = 4913258. Its totient is φ = 4913256.

The previous prime is 4913197. The next prime is 4913261. The reversal of 4913257 is 7523194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4910656 + 2601 = 2216^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 4913257 - 2¹⁵ = 4880489 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4913287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2456628 + 2456629.

It is an arithmetic number, because the mean of its divisors is an integer number (2456629).

Almost surely, 2^4913257 is an apocalyptic number.

It is an amenable number.

4913257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4913257 is an equidigital number, since it uses as much as digits as its factorization.

4913257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 4913257 is about 2216.5867905408. The cubic root of 4913257 is about 170.0029641928.

The spelling of 4913257 in words is "four million, nine hundred thirteen thousand, two hundred fifty-seven".