152322971 has 2 divisors, whose sum is σ = 152322972. Its totient is φ = 152322970.

The previous prime is 152322949. The next prime is 152322977. The reversal of 152322971 is 179223251.

It is a strong prime.

It is an emirp because it is prime and its reverse (179223251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152322971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152322977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76161485 + 76161486.

It is an arithmetic number, because the mean of its divisors is an integer number (76161486).

Almost surely, 2^152322971 is an apocalyptic number.

152322971 is a deficient number, since it is larger than the sum of its proper divisors (1).

152322971 is an equidigital number, since it uses as much as digits as its factorization.

152322971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 152322971 is about 12341.9192591752. The cubic root of 152322971 is about 534.0580519681.

The spelling of 152322971 in words is "one hundred fifty-two million, three hundred twenty-two thousand, nine hundred seventy-one".