461813269 has 2 divisors, whose sum is σ = 461813270. Its totient is φ = 461813268.

The previous prime is 461813263. The next prime is 461813329. The reversal of 461813269 is 962318164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241647025 + 220166244 = 15545^2 + 14838^2 .

It is a cyclic number.

It is not a de Polignac number, because 461813269 - 2²⁵ = 428258837 is a prime.

It is a super-2 number, since 2×461813269² = 426542990848932722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461813263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230906634 + 230906635.

It is an arithmetic number, because the mean of its divisors is an integer number (230906635).

Almost surely, 2^461813269 is an apocalyptic number.

It is an amenable number.

461813269 is a deficient number, since it is larger than the sum of its proper divisors (1).

461813269 is an equidigital number, since it uses as much as digits as its factorization.

461813269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 461813269 is about 21489.8410650242. The cubic root of 461813269 is about 772.9572393194.

It can be divided in two parts, 4618132 and 69, that added together give a square (4618201 = 2149²).

The spelling of 461813269 in words is "four hundred sixty-one million, eight hundred thirteen thousand, two hundred sixty-nine".