1457213 has 2 divisors, whose sum is σ = 1457214. Its totient is φ = 1457212.

The previous prime is 1457207. The next prime is 1457219. The reversal of 1457213 is 3127541.

It is a balanced prime because it is at equal distance from previous prime (1457207) and next prime (1457219).

It can be written as a sum of positive squares in only one way, i.e., 851929 + 605284 = 923^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457213 - 2⁶ = 1457149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728606 + 728607.

It is an arithmetic number, because the mean of its divisors is an integer number (728607).

2^1457213 is an apocalyptic number.

It is an amenable number.

1457213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457213 is an equidigital number, since it uses as much as digits as its factorization.

1457213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 1457213 is about 1207.1507776579. The cubic root of 1457213 is about 113.3724883933.

The spelling of 1457213 in words is "one million, four hundred fifty-seven thousand, two hundred thirteen".