152555197 has 2 divisors, whose sum is σ = 152555198. Its totient is φ = 152555196.

The previous prime is 152555189. The next prime is 152555203. The reversal of 152555197 is 791555251.

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., 149548441 + 3006756 = 12229^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 152555197 - 2³ = 152555189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152595197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76277598 + 76277599.

It is an arithmetic number, because the mean of its divisors is an integer number (76277599).

Almost surely, 2^152555197 is an apocalyptic number.

It is an amenable number.

152555197 is a deficient number, since it is larger than the sum of its proper divisors (1).

152555197 is an equidigital number, since it uses as much as digits as its factorization.

152555197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78750, while the sum is 40.

The square root of 152555197 is about 12351.3236942443. The cubic root of 152555197 is about 534.3293159172.

The spelling of 152555197 in words is "one hundred fifty-two million, five hundred fifty-five thousand, one hundred ninety-seven".