30197269 has 2 divisors, whose sum is σ = 30197270. Its totient is φ = 30197268.

The previous prime is 30197261. The next prime is 30197273. The reversal of 30197269 is 96279103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28494244 + 1703025 = 5338^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 30197269 - 2³ = 30197261 is a prime.

It is a super-2 number, since 2×30197269² = 1823750110116722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30197261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15098634 + 15098635.

It is an arithmetic number, because the mean of its divisors is an integer number (15098635).

Almost surely, 2^30197269 is an apocalyptic number.

It is an amenable number.

30197269 is a deficient number, since it is larger than the sum of its proper divisors (1).

30197269 is an equidigital number, since it uses as much as digits as its factorization.

30197269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 30197269 is about 5495.2041818298. The cubic root of 30197269 is about 311.4028305966.

The spelling of 30197269 in words is "thirty million, one hundred ninety-seven thousand, two hundred sixty-nine".