461228849 has 2 divisors, whose sum is σ = 461228850. Its totient is φ = 461228848.

The previous prime is 461228839. The next prime is 461228897. The reversal of 461228849 is 948822164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435014449 + 26214400 = 20857^2 + 5120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461228849 is a prime.

It is a super-2 number, since 2×461228849² = 425464102299729602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461228839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230614424 + 230614425.

It is an arithmetic number, because the mean of its divisors is an integer number (230614425).

Almost surely, 2^461228849 is an apocalyptic number.

It is an amenable number.

461228849 is a deficient number, since it is larger than the sum of its proper divisors (1).

461228849 is an equidigital number, since it uses as much as digits as its factorization.

461228849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 461228849 is about 21476.2391726298. The cubic root of 461228849 is about 772.6310451711.

The spelling of 461228849 in words is "four hundred sixty-one million, two hundred twenty-eight thousand, eight hundred forty-nine".