30772151 has 2 divisors, whose sum is σ = 30772152. Its totient is φ = 30772150.

The previous prime is 30772129. The next prime is 30772163. The reversal of 30772151 is 15127703.

It is a strong prime.

It is an emirp because it is prime and its reverse (15127703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30772151 - 2⁶ = 30772087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30772151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30772111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15386075 + 15386076.

It is an arithmetic number, because the mean of its divisors is an integer number (15386076).

Almost surely, 2^30772151 is an apocalyptic number.

30772151 is a deficient number, since it is larger than the sum of its proper divisors (1).

30772151 is an equidigital number, since it uses as much as digits as its factorization.

30772151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 30772151 is about 5547.2651820514. The cubic root of 30772151 is about 313.3665370225.

Adding to 30772151 its reverse (15127703), we get a palindrome (45899854).

The spelling of 30772151 in words is "thirty million, seven hundred seventy-two thousand, one hundred fifty-one".