16453457 has 2 divisors, whose sum is σ = 16453458. Its totient is φ = 16453456.

The previous prime is 16453453. The next prime is 16453483. The reversal of 16453457 is 75435461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15178816 + 1274641 = 3896^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 16453457 - 2² = 16453453 is a prime.

It is not a weakly prime, because it can be changed into another prime (16453453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226728 + 8226729.

It is an arithmetic number, because the mean of its divisors is an integer number (8226729).

Almost surely, 2^16453457 is an apocalyptic number.

It is an amenable number.

16453457 is a deficient number, since it is larger than the sum of its proper divisors (1).

16453457 is an equidigital number, since it uses as much as digits as its factorization.

16453457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 16453457 is about 4056.2861092384. The cubic root of 16453457 is about 254.3425689567.

The spelling of 16453457 in words is "sixteen million, four hundred fifty-three thousand, four hundred fifty-seven".