1455491 has 2 divisors, whose sum is σ = 1455492. Its totient is φ = 1455490.

The previous prime is 1455439. The next prime is 1455499. The reversal of 1455491 is 1945541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1455491 - 2¹⁴ = 1439107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727745 + 727746.

It is an arithmetic number, because the mean of its divisors is an integer number (727746).

2^1455491 is an apocalyptic number.

1455491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455491 is an equidigital number, since it uses as much as digits as its factorization.

1455491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 1455491 is about 1206.4373170621. The cubic root of 1455491 is about 113.3278130721.

The spelling of 1455491 in words is "one million, four hundred fifty-five thousand, four hundred ninety-one".