30514189 has 2 divisors, whose sum is σ = 30514190. Its totient is φ = 30514188.

The previous prime is 30514129. The next prime is 30514193. The reversal of 30514189 is 98141503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25857225 + 4656964 = 5085^2 + 2158^2 .

It is an emirp because it is prime and its reverse (98141503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30514189 - 2¹³ = 30505997 is a prime.

It is a super-2 number, since 2×30514189² = 1862231460655442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30514189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30514109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257094 + 15257095.

It is an arithmetic number, because the mean of its divisors is an integer number (15257095).

Almost surely, 2^30514189 is an apocalyptic number.

It is an amenable number.

30514189 is a deficient number, since it is larger than the sum of its proper divisors (1).

30514189 is an equidigital number, since it uses as much as digits as its factorization.

30514189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 30514189 is about 5523.9649709244. The cubic root of 30514189 is about 312.4884313584.

It can be divided in two parts, 30514 and 189, that added together give a palindrome (30703).

The spelling of 30514189 in words is "thirty million, five hundred fourteen thousand, one hundred eighty-nine".