245366453 has 2 divisors, whose sum is σ = 245366454. Its totient is φ = 245366452.

The previous prime is 245366449. The next prime is 245366479. The reversal of 245366453 is 354663542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 22819729 = 14918^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 245366453 - 2² = 245366449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245366483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122683226 + 122683227.

It is an arithmetic number, because the mean of its divisors is an integer number (122683227).

Almost surely, 2^245366453 is an apocalyptic number.

It is an amenable number.

245366453 is a deficient number, since it is larger than the sum of its proper divisors (1).

245366453 is an equidigital number, since it uses as much as digits as its factorization.

245366453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 38.

The square root of 245366453 is about 15664.1773802521. The cubic root of 245366453 is about 626.0442940414.

The spelling of 245366453 in words is "two hundred forty-five million, three hundred sixty-six thousand, four hundred fifty-three".