453281261 has 2 divisors, whose sum is σ = 453281262. Its totient is φ = 453281260.

The previous prime is 453281243. The next prime is 453281273. The reversal of 453281261 is 162182354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453264100 + 17161 = 21290^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 453281261 - 2¹⁸ = 453019117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453281201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226640630 + 226640631.

It is an arithmetic number, because the mean of its divisors is an integer number (226640631).

Almost surely, 2^453281261 is an apocalyptic number.

It is an amenable number.

453281261 is a deficient number, since it is larger than the sum of its proper divisors (1).

453281261 is an equidigital number, since it uses as much as digits as its factorization.

453281261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 453281261 is about 21290.4030257767. The cubic root of 453281261 is about 768.1674874558.

The spelling of 453281261 in words is "four hundred fifty-three million, two hundred eighty-one thousand, two hundred sixty-one".