1406453 has 2 divisors, whose sum is σ = 1406454. Its totient is φ = 1406452.

The previous prime is 1406443. The next prime is 1406459. The reversal of 1406453 is 3546041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 18769 = 1178^2 + 137^2 .

It is an emirp because it is prime and its reverse (3546041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406453 - 2⁶ = 1406389 is a prime.

It is a super-2 number, since 2×1406453² = 3956220082418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703226 + 703227.

It is an arithmetic number, because the mean of its divisors is an integer number (703227).

2^1406453 is an apocalyptic number.

It is an amenable number.

1406453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406453 is an equidigital number, since it uses as much as digits as its factorization.

1406453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1406453 is about 1185.9397117898. The cubic root of 1406453 is about 112.0405093685.

The spelling of 1406453 in words is "one million, four hundred six thousand, four hundred fifty-three".