152776213 has 4 divisors (see below), whose sum is σ = 153788128. Its totient is φ = 151764300.

The previous prime is 152776201. The next prime is 152776223. The reversal of 152776213 is 312677251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152776213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152776223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505731 + ... + 506032.

It is an arithmetic number, because the mean of its divisors is an integer number (38447032).

Almost surely, 2^152776213 is an apocalyptic number.

It is an amenable number.

152776213 is a deficient number, since it is larger than the sum of its proper divisors (1011915).

152776213 is a wasteful number, since it uses less digits than its factorization.

152776213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011914.

The product of its digits is 17640, while the sum is 34.

The square root of 152776213 is about 12360.2675132863. The cubic root of 152776213 is about 534.5872298736.

The spelling of 152776213 in words is "one hundred fifty-two million, seven hundred seventy-six thousand, two hundred thirteen".