152856247 has 2 divisors, whose sum is σ = 152856248. Its totient is φ = 152856246.

The previous prime is 152856181. The next prime is 152856251. The reversal of 152856247 is 742658251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152856247 - 2²³ = 144467639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152856047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76428123 + 76428124.

It is an arithmetic number, because the mean of its divisors is an integer number (76428124).

Almost surely, 2^152856247 is an apocalyptic number.

152856247 is a deficient number, since it is larger than the sum of its proper divisors (1).

152856247 is an equidigital number, since it uses as much as digits as its factorization.

152856247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 40.

The square root of 152856247 is about 12363.5046406753. The cubic root of 152856247 is about 534.6805639612.

It can be divided in two parts, 1528 and 56247, that added together give a palindrome (57775).

The spelling of 152856247 in words is "one hundred fifty-two million, eight hundred fifty-six thousand, two hundred forty-seven".