7494257 has 2 divisors, whose sum is σ = 7494258. Its totient is φ = 7494256.

The previous prime is 7494217. The next prime is 7494269. The reversal of 7494257 is 7524947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 1062961 = 2536^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 7494257 - 2⁸ = 7494001 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 7494257 parts by 3871 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 7494257.

It is not a weakly prime, because it can be changed into another prime (7494217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3747128 + 3747129.

It is an arithmetic number, because the mean of its divisors is an integer number (3747129).

Almost surely, 2^7494257 is an apocalyptic number.

It is an amenable number.

7494257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7494257 is an equidigital number, since it uses as much as digits as its factorization.

7494257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 7494257 is about 2737.5640631773. The cubic root of 7494257 is about 195.6934068896.

The spelling of 7494257 in words is "seven million, four hundred ninety-four thousand, two hundred fifty-seven".