152221963 has 2 divisors, whose sum is σ = 152221964. Its totient is φ = 152221962.

The previous prime is 152221931. The next prime is 152221967. The reversal of 152221963 is 369122251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152221963 - 2⁵ = 152221931 is a prime.

It is not a weakly prime, because it can be changed into another prime (152221967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76110981 + 76110982.

It is an arithmetic number, because the mean of its divisors is an integer number (76110982).

Almost surely, 2^152221963 is an apocalyptic number.

152221963 is a deficient number, since it is larger than the sum of its proper divisors (1).

152221963 is an equidigital number, since it uses as much as digits as its factorization.

152221963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 152221963 is about 12337.8265103705. The cubic root of 152221963 is about 533.9399781509.

The spelling of 152221963 in words is "one hundred fifty-two million, two hundred twenty-one thousand, nine hundred sixty-three".