461426261 has 2 divisors, whose sum is σ = 461426262. Its totient is φ = 461426260.

The previous prime is 461426239. The next prime is 461426293. The reversal of 461426261 is 162624164.

It is an a-pointer prime, because the next prime (461426293) can be obtained adding 461426261 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305026225 + 156400036 = 17465^2 + 12506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461426261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461426201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230713130 + 230713131.

It is an arithmetic number, because the mean of its divisors is an integer number (230713131).

Almost surely, 2^461426261 is an apocalyptic number.

It is an amenable number.

461426261 is a deficient number, since it is larger than the sum of its proper divisors (1).

461426261 is an equidigital number, since it uses as much as digits as its factorization.

461426261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 461426261 is about 21480.8347370394. The cubic root of 461426261 is about 772.7412615234.

The spelling of 461426261 in words is "four hundred sixty-one million, four hundred twenty-six thousand, two hundred sixty-one".