1494257 has 2 divisors, whose sum is σ = 1494258. Its totient is φ = 1494256.

The previous prime is 1494253. The next prime is 1494263. The reversal of 1494257 is 7524941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 414736 = 1039^2 + 644^2 .

It is an emirp because it is prime and its reverse (7524941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1494257 - 2² = 1494253 is a prime.

It is not a weakly prime, because it can be changed into another prime (1494253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747128 + 747129.

It is an arithmetic number, because the mean of its divisors is an integer number (747129).

2^1494257 is an apocalyptic number.

It is an amenable number.

1494257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494257 is an equidigital number, since it uses as much as digits as its factorization.

1494257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 1494257 is about 1222.3980530089. The cubic root of 1494257 is about 114.3251464378.

The spelling of 1494257 in words is "one million, four hundred ninety-four thousand, two hundred fifty-seven".