16772453 has 2 divisors, whose sum is σ = 16772454. Its totient is φ = 16772452.

The previous prime is 16772447. The next prime is 16772471. The reversal of 16772453 is 35427761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 3104644 = 3697^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 16772453 - 2⁶ = 16772389 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16772443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386226 + 8386227.

It is an arithmetic number, because the mean of its divisors is an integer number (8386227).

Almost surely, 2^16772453 is an apocalyptic number.

It is an amenable number.

16772453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16772453 is an equidigital number, since it uses as much as digits as its factorization.

16772453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 16772453 is about 4095.4185378298. The cubic root of 16772453 is about 255.9757718363.

The spelling of 16772453 in words is "sixteen million, seven hundred seventy-two thousand, four hundred fifty-three".