481215797 has 2 divisors, whose sum is σ = 481215798. Its totient is φ = 481215796.

The previous prime is 481215743. The next prime is 481215799. The reversal of 481215797 is 797512184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468549316 + 12666481 = 21646^2 + 3559^2 .

It is a cyclic number.

It is not a de Polignac number, because 481215797 - 2⁶ = 481215733 is a prime.

Together with 481215799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481215799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240607898 + 240607899.

It is an arithmetic number, because the mean of its divisors is an integer number (240607899).

Almost surely, 2^481215797 is an apocalyptic number.

It is an amenable number.

481215797 is a deficient number, since it is larger than the sum of its proper divisors (1).

481215797 is an equidigital number, since it uses as much as digits as its factorization.

481215797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 44.

The square root of 481215797 is about 21936.6313959094. The cubic root of 481215797 is about 783.6340381450.

The spelling of 481215797 in words is "four hundred eighty-one million, two hundred fifteen thousand, seven hundred ninety-seven".