30542437 has 2 divisors, whose sum is σ = 30542438. Its totient is φ = 30542436.

The previous prime is 30542429. The next prime is 30542441. The reversal of 30542437 is 73424503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17589636 + 12952801 = 4194^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 30542437 - 2³ = 30542429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30542497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15271218 + 15271219.

It is an arithmetic number, because the mean of its divisors is an integer number (15271219).

Almost surely, 2^30542437 is an apocalyptic number.

It is an amenable number.

30542437 is a deficient number, since it is larger than the sum of its proper divisors (1).

30542437 is an equidigital number, since it uses as much as digits as its factorization.

30542437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 30542437 is about 5526.5212385370. The cubic root of 30542437 is about 312.5848285977.

The spelling of 30542437 in words is "thirty million, five hundred forty-two thousand, four hundred thirty-seven".