453400261 has 2 divisors, whose sum is σ = 453400262. Its totient is φ = 453400260.

The previous prime is 453400229. The next prime is 453400271. The reversal of 453400261 is 162004354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453264100 + 136161 = 21290^2 + 369^2 .

It is a cyclic number.

It is not a de Polignac number, because 453400261 - 2⁵ = 453400229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453400271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226700130 + 226700131.

It is an arithmetic number, because the mean of its divisors is an integer number (226700131).

Almost surely, 2^453400261 is an apocalyptic number.

It is an amenable number.

453400261 is a deficient number, since it is larger than the sum of its proper divisors (1).

453400261 is an equidigital number, since it uses as much as digits as its factorization.

453400261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 453400261 is about 21293.1975287884. The cubic root of 453400261 is about 768.2347039507.

The spelling of 453400261 in words is "four hundred fifty-three million, four hundred thousand, two hundred sixty-one".