453727397 has 2 divisors, whose sum is σ = 453727398. Its totient is φ = 453727396.

The previous prime is 453727349. The next prime is 453727403. The reversal of 453727397 is 793727354.

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., 440412196 + 13315201 = 20986^2 + 3649^2 .

It is a cyclic number.

It is not a de Polignac number, because 453727397 - 2¹⁶ = 453661861 is a prime.

It is a super-3 number, since 3×453727397³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453727327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226863698 + 226863699.

It is an arithmetic number, because the mean of its divisors is an integer number (226863699).

Almost surely, 2^453727397 is an apocalyptic number.

It is an amenable number.

453727397 is a deficient number, since it is larger than the sum of its proper divisors (1).

453727397 is an equidigital number, since it uses as much as digits as its factorization.

453727397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 47.

The square root of 453727397 is about 21300.8778457603. The cubic root of 453727397 is about 768.4194243333.

The spelling of 453727397 in words is "four hundred fifty-three million, seven hundred twenty-seven thousand, three hundred ninety-seven".