30291269 has 2 divisors, whose sum is σ = 30291270. Its totient is φ = 30291268.

The previous prime is 30291241. The next prime is 30291281. The reversal of 30291269 is 96219203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27699169 + 2592100 = 5263^2 + 1610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30291269 is a prime.

It is a super-2 number, since 2×30291269² = 1835121955260722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30291769) 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 as a sum of consecutive naturals, namely, 15145634 + 15145635.

It is an arithmetic number, because the mean of its divisors is an integer number (15145635).

Almost surely, 2^30291269 is an apocalyptic number.

It is an amenable number.

30291269 is a deficient number, since it is larger than the sum of its proper divisors (1).

30291269 is an equidigital number, since it uses as much as digits as its factorization.

30291269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 30291269 is about 5503.7504485578. The cubic root of 30291269 is about 311.7256141501.

The spelling of 30291269 in words is "thirty million, two hundred ninety-one thousand, two hundred sixty-nine".