152855393 has 2 divisors, whose sum is σ = 152855394. Its totient is φ = 152855392.

The previous prime is 152855359. The next prime is 152855407. The reversal of 152855393 is 393558251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108326464 + 44528929 = 10408^2 + 6673^2 .

It is an emirp because it is prime and its reverse (393558251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152855393 - 2⁸ = 152855137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152855393.

It is not a weakly prime, because it can be changed into another prime (152855303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76427696 + 76427697.

It is an arithmetic number, because the mean of its divisors is an integer number (76427697).

Almost surely, 2^152855393 is an apocalyptic number.

It is an amenable number.

152855393 is a deficient number, since it is larger than the sum of its proper divisors (1).

152855393 is an equidigital number, since it uses as much as digits as its factorization.

152855393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 41.

The square root of 152855393 is about 12363.4701034944. The cubic root of 152855393 is about 534.6795682151.

The spelling of 152855393 in words is "one hundred fifty-two million, eight hundred fifty-five thousand, three hundred ninety-three".