30042499 has 2 divisors, whose sum is σ = 30042500. Its totient is φ = 30042498.

The previous prime is 30042479. The next prime is 30042527. The reversal of 30042499 is 99424003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30042499 - 2¹⁵ = 30009731 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30042499.

It is not a weakly prime, because it can be changed into another prime (30042449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021249 + 15021250.

It is an arithmetic number, because the mean of its divisors is an integer number (15021250).

Almost surely, 2^30042499 is an apocalyptic number.

30042499 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042499 is an equidigital number, since it uses as much as digits as its factorization.

30042499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 30042499 is about 5481.1038121897. The cubic root of 30042499 is about 310.8699083352.

The spelling of 30042499 in words is "thirty million, forty-two thousand, four hundred ninety-nine".