481977229 has 2 divisors, whose sum is σ = 481977230. Its totient is φ = 481977228.

The previous prime is 481977227. The next prime is 481977233. The reversal of 481977229 is 922779184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412171204 + 69806025 = 20302^2 + 8355^2 .

It is a cyclic number.

It is not a de Polignac number, because 481977229 - 2¹ = 481977227 is a prime.

Together with 481977227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481977227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240988614 + 240988615.

It is an arithmetic number, because the mean of its divisors is an integer number (240988615).

Almost surely, 2^481977229 is an apocalyptic number.

It is an amenable number.

481977229 is a deficient number, since it is larger than the sum of its proper divisors (1).

481977229 is an equidigital number, since it uses as much as digits as its factorization.

481977229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The square root of 481977229 is about 21953.9797986607. The cubic root of 481977229 is about 784.0471373548.

The spelling of 481977229 in words is "four hundred eighty-one million, nine hundred seventy-seven thousand, two hundred twenty-nine".