152618813 has 2 divisors, whose sum is σ = 152618814. Its totient is φ = 152618812.

The previous prime is 152618779. The next prime is 152618839. The reversal of 152618813 is 318816251.

152618813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 16826404 = 11653^2 + 4102^2 .

It is a cyclic number.

It is not a de Polignac number, because 152618813 - 2²² = 148424509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152618513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76309406 + 76309407.

It is an arithmetic number, because the mean of its divisors is an integer number (76309407).

Almost surely, 2^152618813 is an apocalyptic number.

It is an amenable number.

152618813 is a deficient number, since it is larger than the sum of its proper divisors (1).

152618813 is an equidigital number, since it uses as much as digits as its factorization.

152618813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 152618813 is about 12353.8986963630. The cubic root of 152618813 is about 534.4035779343.

The spelling of 152618813 in words is "one hundred fifty-two million, six hundred eighteen thousand, eight hundred thirteen".