30140569 has 2 divisors, whose sum is σ = 30140570. Its totient is φ = 30140568.

The previous prime is 30140567. The next prime is 30140629. The reversal of 30140569 is 96504103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 2975625 = 5212^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 30140569 - 2¹ = 30140567 is a prime.

It is a super-2 number, since 2×30140569² = 1816907799287522, which contains 22 as substring.

Together with 30140567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30140567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070284 + 15070285.

It is an arithmetic number, because the mean of its divisors is an integer number (15070285).

Almost surely, 2^30140569 is an apocalyptic number.

It is an amenable number.

30140569 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140569 is an equidigital number, since it uses as much as digits as its factorization.

30140569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30140569 is about 5490.0427138593. The cubic root of 30140569 is about 311.2078063049.

The spelling of 30140569 in words is "thirty million, one hundred forty thousand, five hundred sixty-nine".