30142507 has 2 divisors, whose sum is σ = 30142508. Its totient is φ = 30142506.

The previous prime is 30142501. The next prime is 30142543. The reversal of 30142507 is 70524103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30142507 - 2¹⁹ = 29618219 is a prime.

It is not a weakly prime, because it can be changed into another prime (30142501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071253 + 15071254.

It is an arithmetic number, because the mean of its divisors is an integer number (15071254).

Almost surely, 2^30142507 is an apocalyptic number.

30142507 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142507 is an equidigital number, since it uses as much as digits as its factorization.

30142507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 30142507 is about 5490.2192123812. The cubic root of 30142507 is about 311.2144762498.

The spelling of 30142507 in words is "thirty million, one hundred forty-two thousand, five hundred seven".