955278461 has 2 divisors, whose sum is σ = 955278462. Its totient is φ = 955278460.

The previous prime is 955278439. The next prime is 955278553. The reversal of 955278461 is 164872559.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548449561 + 406828900 = 23419^2 + 20170^2 .

It is a cyclic number.

It is not a de Polignac number, because 955278461 - 2¹⁸ = 955016317 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 (955278661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477639230 + 477639231.

It is an arithmetic number, because the mean of its divisors is an integer number (477639231).

Almost surely, 2^955278461 is an apocalyptic number.

It is an amenable number.

955278461 is a deficient number, since it is larger than the sum of its proper divisors (1).

955278461 is an equidigital number, since it uses as much as digits as its factorization.

955278461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 955278461 is about 30907.5793455262. The cubic root of 955278461 is about 984.8649049006.

The spelling of 955278461 in words is "nine hundred fifty-five million, two hundred seventy-eight thousand, four hundred sixty-one".