481965613 has 2 divisors, whose sum is σ = 481965614. Its totient is φ = 481965612.

The previous prime is 481965607. The next prime is 481965661. The reversal of 481965613 is 316569184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321233929 + 160731684 = 17923^2 + 12678^2 .

It is a cyclic number.

It is not a de Polignac number, because 481965613 - 2¹⁷ = 481834541 is a prime.

It is a super-2 number, since 2×481965613² = 464581704228931538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481965613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481965013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240982806 + 240982807.

It is an arithmetic number, because the mean of its divisors is an integer number (240982807).

Almost surely, 2^481965613 is an apocalyptic number.

It is an amenable number.

481965613 is a deficient number, since it is larger than the sum of its proper divisors (1).

481965613 is an equidigital number, since it uses as much as digits as its factorization.

481965613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 481965613 is about 21953.7152436666. The cubic root of 481965613 is about 784.0408386031.

The spelling of 481965613 in words is "four hundred eighty-one million, nine hundred sixty-five thousand, six hundred thirteen".