461191361 has 2 divisors, whose sum is σ = 461191362. Its totient is φ = 461191360.

The previous prime is 461191349. The next prime is 461191387. The reversal of 461191361 is 163191164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266309761 + 194881600 = 16319^2 + 13960^2 .

It is a cyclic number.

It is not a de Polignac number, because 461191361 - 2¹⁰ = 461190337 is a prime.

It is a super-2 number, since 2×461191361² = 425394942922064642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461191391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230595680 + 230595681.

It is an arithmetic number, because the mean of its divisors is an integer number (230595681).

Almost surely, 2^461191361 is an apocalyptic number.

It is an amenable number.

461191361 is a deficient number, since it is larger than the sum of its proper divisors (1).

461191361 is an equidigital number, since it uses as much as digits as its factorization.

461191361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 461191361 is about 21475.3663763858. The cubic root of 461191361 is about 772.6101118337.

The spelling of 461191361 in words is "four hundred sixty-one million, one hundred ninety-one thousand, three hundred sixty-one".