30874117 has 2 divisors, whose sum is σ = 30874118. Its totient is φ = 30874116.

The previous prime is 30874111. The next prime is 30874133. The reversal of 30874117 is 71147803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30813601 + 60516 = 5551^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 30874117 - 2¹¹ = 30872069 is a prime.

It is a super-2 number, since 2×30874117² = 1906422201059378, which contains 22 as substring.

It is equal to p_1908724 and since 30874117 and 1908724 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30874111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15437058 + 15437059.

It is an arithmetic number, because the mean of its divisors is an integer number (15437059).

Almost surely, 2^30874117 is an apocalyptic number.

It is an amenable number.

30874117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30874117 is an equidigital number, since it uses as much as digits as its factorization.

30874117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 30874117 is about 5556.4482360587. The cubic root of 30874117 is about 313.7122771745.

The spelling of 30874117 in words is "thirty million, eight hundred seventy-four thousand, one hundred seventeen".