152661629 has 2 divisors, whose sum is σ = 152661630. Its totient is φ = 152661628.

The previous prime is 152661569. The next prime is 152661643. The reversal of 152661629 is 926166251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152522500 + 139129 = 12350^2 + 373^2 .

It is an emirp because it is prime and its reverse (926166251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152661629 - 2²⁰ = 151613053 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 152661592 and 152661601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152661659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76330814 + 76330815.

It is an arithmetic number, because the mean of its divisors is an integer number (76330815).

Almost surely, 2^152661629 is an apocalyptic number.

It is an amenable number.

152661629 is a deficient number, since it is larger than the sum of its proper divisors (1).

152661629 is an equidigital number, since it uses as much as digits as its factorization.

152661629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 152661629 is about 12355.6314690913. The cubic root of 152661629 is about 534.4535474930.

The spelling of 152661629 in words is "one hundred fifty-two million, six hundred sixty-one thousand, six hundred twenty-nine".