30054457 has 2 divisors, whose sum is σ = 30054458. Its totient is φ = 30054456.

The previous prime is 30054439. The next prime is 30054503. The reversal of 30054457 is 75445003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29713401 + 341056 = 5451^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 30054457 - 2¹¹ = 30052409 is a prime.

It is a Chen prime.

It is equal to p_1861039 and since 30054457 and 1861039 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30051457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027228 + 15027229.

It is an arithmetic number, because the mean of its divisors is an integer number (15027229).

Almost surely, 2^30054457 is an apocalyptic number.

It is an amenable number.

30054457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30054457 is an equidigital number, since it uses as much as digits as its factorization.

30054457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 30054457 is about 5482.1945423343. The cubic root of 30054457 is about 310.9111486822.

The spelling of 30054457 in words is "thirty million, fifty-four thousand, four hundred fifty-seven".