30119797 has 2 divisors, whose sum is σ = 30119798. Its totient is φ = 30119796.

The previous prime is 30119779. The next prime is 30119821. The reversal of 30119797 is 79791103.

Together with previous prime (30119779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28579716 + 1540081 = 5346^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 30119797 - 2⁷ = 30119669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30119717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15059898 + 15059899.

It is an arithmetic number, because the mean of its divisors is an integer number (15059899).

Almost surely, 2^30119797 is an apocalyptic number.

It is an amenable number.

30119797 is a deficient number, since it is larger than the sum of its proper divisors (1).

30119797 is an equidigital number, since it uses as much as digits as its factorization.

30119797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 30119797 is about 5488.1505992456. The cubic root of 30119797 is about 311.1362980979.

The spelling of 30119797 in words is "thirty million, one hundred nineteen thousand, seven hundred ninety-seven".