152231293 has 2 divisors, whose sum is σ = 152231294. Its totient is φ = 152231292.

The previous prime is 152231291. The next prime is 152231323. The reversal of 152231293 is 392132251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126292644 + 25938649 = 11238^2 + 5093^2 .

It is a cyclic number.

It is not a de Polignac number, because 152231293 - 2¹ = 152231291 is a prime.

Together with 152231291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152231291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76115646 + 76115647.

It is an arithmetic number, because the mean of its divisors is an integer number (76115647).

Almost surely, 2^152231293 is an apocalyptic number.

It is an amenable number.

152231293 is a deficient number, since it is larger than the sum of its proper divisors (1).

152231293 is an equidigital number, since it uses as much as digits as its factorization.

152231293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 152231293 is about 12338.2046100719. The cubic root of 152231293 is about 533.9508866912.

The spelling of 152231293 in words is "one hundred fifty-two million, two hundred thirty-one thousand, two hundred ninety-three".