152221271 has 2 divisors, whose sum is σ = 152221272. Its totient is φ = 152221270.

The previous prime is 152221259. The next prime is 152221339. The reversal of 152221271 is 172122251.

152221271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152221271 - 2⁶ = 152221207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152221171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76110635 + 76110636.

It is an arithmetic number, because the mean of its divisors is an integer number (76110636).

Almost surely, 2^152221271 is an apocalyptic number.

152221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

152221271 is an equidigital number, since it uses as much as digits as its factorization.

152221271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 23.

The square root of 152221271 is about 12337.7984665012. The cubic root of 152221271 is about 533.9391690539.

The spelling of 152221271 in words is "one hundred fifty-two million, two hundred twenty-one thousand, two hundred seventy-one".