1457653 has 2 divisors, whose sum is σ = 1457654. Its totient is φ = 1457652.

The previous prime is 1457647. The next prime is 1457663. The reversal of 1457653 is 3567541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 651249 = 898^2 + 807^2 .

It is an emirp because it is prime and its reverse (3567541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1457653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728826 + 728827.

It is an arithmetic number, because the mean of its divisors is an integer number (728827).

2^1457653 is an apocalyptic number.

It is an amenable number.

1457653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457653 is an equidigital number, since it uses as much as digits as its factorization.

1457653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 1457653 is about 1207.3330112276. Note that the first 3 decimals coincide. The cubic root of 1457653 is about 113.3838980442.

The spelling of 1457653 in words is "one million, four hundred fifty-seven thousand, six hundred fifty-three".