30490547 has 2 divisors, whose sum is σ = 30490548. Its totient is φ = 30490546.

The previous prime is 30490519. The next prime is 30490549. The reversal of 30490547 is 74509403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30490547 - 2¹⁴ = 30474163 is a prime.

Together with 30490549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30490549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15245273 + 15245274.

It is an arithmetic number, because the mean of its divisors is an integer number (15245274).

Almost surely, 2^30490547 is an apocalyptic number.

30490547 is a deficient number, since it is larger than the sum of its proper divisors (1).

30490547 is an equidigital number, since it uses as much as digits as its factorization.

30490547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30490547 is about 5521.8246078629. The cubic root of 30490547 is about 312.4077065048.

The spelling of 30490547 in words is "thirty million, four hundred ninety thousand, five hundred forty-seven".