214609453 has 2 divisors, whose sum is σ = 214609454. Its totient is φ = 214609452.

The previous prime is 214609429. The next prime is 214609459. The reversal of 214609453 is 354906412.

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., 207734569 + 6874884 = 14413^2 + 2622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214609453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214609459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107304726 + 107304727.

It is an arithmetic number, because the mean of its divisors is an integer number (107304727).

Almost surely, 2^214609453 is an apocalyptic number.

It is an amenable number.

214609453 is a deficient number, since it is larger than the sum of its proper divisors (1).

214609453 is an equidigital number, since it uses as much as digits as its factorization.

214609453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 214609453 is about 14649.5547031301. The cubic root of 214609453 is about 598.7096836100.

The spelling of 214609453 in words is "two hundred fourteen million, six hundred nine thousand, four hundred fifty-three".