152550397 has 2 divisors, whose sum is σ = 152550398. Its totient is φ = 152550396.

The previous prime is 152550389. The next prime is 152550403. The reversal of 152550397 is 793055251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142348761 + 10201636 = 11931^2 + 3194^2 .

It is a cyclic number.

It is not a de Polignac number, because 152550397 - 2³ = 152550389 is a prime.

It is a Chen prime.

It is equal to p_8579512 and since 152550397 and 8579512 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152554397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76275198 + 76275199.

It is an arithmetic number, because the mean of its divisors is an integer number (76275199).

Almost surely, 2^152550397 is an apocalyptic number.

It is an amenable number.

152550397 is a deficient number, since it is larger than the sum of its proper divisors (1).

152550397 is an equidigital number, since it uses as much as digits as its factorization.

152550397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 152550397 is about 12351.1293815586. The cubic root of 152550397 is about 534.3237118087.

The spelling of 152550397 in words is "one hundred fifty-two million, five hundred fifty thousand, three hundred ninety-seven".