1496581 has 2 divisors, whose sum is σ = 1496582. Its totient is φ = 1496580.

The previous prime is 1496569. The next prime is 1496597. The reversal of 1496581 is 1856941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 695556 = 895^2 + 834^2 .

It is an emirp because it is prime and its reverse (1856941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1496581 - 2⁵ = 1496549 is a prime.

It is a super-2 number, since 2×1496581² = 4479509379122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

1496581 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748290 + 748291.

It is an arithmetic number, because the mean of its divisors is an integer number (748291).

2^1496581 is an apocalyptic number.

It is an amenable number.

1496581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496581 is an equidigital number, since it uses as much as digits as its factorization.

1496581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 1496581 is about 1223.3482742049. The cubic root of 1496581 is about 114.3843852472.

The spelling of 1496581 in words is "one million, four hundred ninety-six thousand, five hundred eighty-one".