30625841 has 4 divisors (see below), whose sum is σ = 30694500. Its totient is φ = 30557184.

The previous prime is 30625831. The next prime is 30625849. The reversal of 30625841 is 14852603.

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 16638241 + 13987600 = 4079^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 30625841 - 2¹⁰ = 30624817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30625849) 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 in 3 ways as a sum of consecutive naturals, for example, 33656 + ... + 34553.

It is an arithmetic number, because the mean of its divisors is an integer number (7673625).

Almost surely, 2^30625841 is an apocalyptic number.

It is an amenable number.

30625841 is a deficient number, since it is larger than the sum of its proper divisors (68659).

30625841 is an equidigital number, since it uses as much as digits as its factorization.

30625841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68658.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 30625841 is about 5534.0618897876. The cubic root of 30625841 is about 312.8691011542.

It can be divided in two parts, 30625 and 841, that multiplied together give a square (25755625 = 5075²).

The spelling of 30625841 in words is "thirty million, six hundred twenty-five thousand, eight hundred forty-one".