481279399 has 2 divisors, whose sum is σ = 481279400. Its totient is φ = 481279398.

The previous prime is 481279391. The next prime is 481279411. The reversal of 481279399 is 993972184.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481279399 - 2³ = 481279391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481279391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240639699 + 240639700.

It is an arithmetic number, because the mean of its divisors is an integer number (240639700).

Almost surely, 2^481279399 is an apocalyptic number.

481279399 is a deficient number, since it is larger than the sum of its proper divisors (1).

481279399 is an equidigital number, since it uses as much as digits as its factorization.

481279399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 481279399 is about 21938.0810236447. The cubic root of 481279399 is about 783.6685607693.

The spelling of 481279399 in words is "four hundred eighty-one million, two hundred seventy-nine thousand, three hundred ninety-nine".