1458749 has 2 divisors, whose sum is σ = 1458750. Its totient is φ = 1458748.

The previous prime is 1458727. The next prime is 1458757. The reversal of 1458749 is 9478541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 6724 = 1205^2 + 82^2 .

It is an emirp because it is prime and its reverse (9478541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1458749 - 2²⁰ = 410173 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1458049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729374 + 729375.

It is an arithmetic number, because the mean of its divisors is an integer number (729375).

2^1458749 is an apocalyptic number.

It is an amenable number.

1458749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1458749 is an equidigital number, since it uses as much as digits as its factorization.

1458749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 1458749 is about 1207.7868189378. The cubic root of 1458749 is about 113.4123084683.

The spelling of 1458749 in words is "one million, four hundred fifty-eight thousand, seven hundred forty-nine".