30842485 has 4 divisors (see below), whose sum is σ = 37010988. Its totient is φ = 24673984.

The previous prime is 30842477. The next prime is 30842521. The reversal of 30842485 is 58424803.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14122564 + 16719921 = 3758^2 + 4089^2 .

It is a cyclic number.

It is not a de Polignac number, because 30842485 - 2³ = 30842477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30842485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084244 + ... + 3084253.

It is an arithmetic number, because the mean of its divisors is an integer number (9252747).

Almost surely, 2^30842485 is an apocalyptic number.

It is an amenable number.

30842485 is a deficient number, since it is larger than the sum of its proper divisors (6168503).

30842485 is an equidigital number, since it uses as much as digits as its factorization.

30842485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168502.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 30842485 is about 5553.6010839815. The cubic root of 30842485 is about 313.6051028526.

The spelling of 30842485 in words is "thirty million, eight hundred forty-two thousand, four hundred eighty-five".