30253019 has 2 divisors, whose sum is σ = 30253020. Its totient is φ = 30253018.

The previous prime is 30252991. The next prime is 30253021. The reversal of 30253019 is 91035203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30253019 - 2⁸ = 30252763 is a prime.

It is a super-2 number, since 2×30253019² = 1830490317228722, which contains 22 as substring.

Together with 30253021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30252985 and 30253003.

It is not a weakly prime, because it can be changed into another prime (30253819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126509 + 15126510.

It is an arithmetic number, because the mean of its divisors is an integer number (15126510).

Almost surely, 2^30253019 is an apocalyptic number.

30253019 is a deficient number, since it is larger than the sum of its proper divisors (1).

30253019 is an equidigital number, since it uses as much as digits as its factorization.

30253019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 30253019 is about 5500.2744476980. The cubic root of 30253019 is about 311.5943494059.

The spelling of 30253019 in words is "thirty million, two hundred fifty-three thousand, nineteen".