453431261 has 2 divisors, whose sum is σ = 453431262. Its totient is φ = 453431260.

The previous prime is 453431227. The next prime is 453431267. The reversal of 453431261 is 162134354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452370361 + 1060900 = 21269^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 453431261 - 2¹⁸ = 453169117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453431267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226715630 + 226715631.

It is an arithmetic number, because the mean of its divisors is an integer number (226715631).

Almost surely, 2^453431261 is an apocalyptic number.

It is an amenable number.

453431261 is a deficient number, since it is larger than the sum of its proper divisors (1).

453431261 is an equidigital number, since it uses as much as digits as its factorization.

453431261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 453431261 is about 21293.9254483526. The cubic root of 453431261 is about 768.2522121990.

The spelling of 453431261 in words is "four hundred fifty-three million, four hundred thirty-one thousand, two hundred sixty-one".