1458881 has 2 divisors, whose sum is σ = 1458882. Its totient is φ = 1458880.

The previous prime is 1458871. The next prime is 1458883. The reversal of 1458881 is 1888541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 115600 = 1159^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1458881 - 2⁶ = 1458817 is a prime.

It is a super-2 number, since 2×1458881² = 4256667544322, which contains 22 as substring.

Together with 1458883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1458883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729440 + 729441.

It is an arithmetic number, because the mean of its divisors is an integer number (729441).

2^1458881 is an apocalyptic number.

It is an amenable number.

1458881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1458881 is an equidigital number, since it uses as much as digits as its factorization.

1458881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 35.

The square root of 1458881 is about 1207.8414631068. The cubic root of 1458881 is about 113.4157292014.

The spelling of 1458881 in words is "one million, four hundred fifty-eight thousand, eight hundred eighty-one".