152661211 has 2 divisors, whose sum is σ = 152661212. Its totient is φ = 152661210.

The previous prime is 152661203. The next prime is 152661221. The reversal of 152661211 is 112166251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152661211 - 2³ = 152661203 is a prime.

It is not a weakly prime, because it can be changed into another prime (152661221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76330605 + 76330606.

It is an arithmetic number, because the mean of its divisors is an integer number (76330606).

Almost surely, 2^152661211 is an apocalyptic number.

152661211 is a deficient number, since it is larger than the sum of its proper divisors (1).

152661211 is an equidigital number, since it uses as much as digits as its factorization.

152661211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 152661211 is about 12355.6145537161. The cubic root of 152661211 is about 534.4530597001.

The spelling of 152661211 in words is "one hundred fifty-two million, six hundred sixty-one thousand, two hundred eleven".