30255061 has 4 divisors (see below), whose sum is σ = 30271852. Its totient is φ = 30238272.

The previous prime is 30255047. The next prime is 30255067. The reversal of 30255061 is 16055203.

It is a happy number.

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 21068100 + 9186961 = 4590^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 30255061 - 2⁷ = 30254933 is a prime.

It is a super-2 number, since 2×30255061² = 1830737432227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5316 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (7567963).

Almost surely, 2^30255061 is an apocalyptic number.

It is an amenable number.

30255061 is a deficient number, since it is larger than the sum of its proper divisors (16791).

30255061 is a wasteful number, since it uses less digits than its factorization.

30255061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16790.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 30255061 is about 5500.4600716667. The cubic root of 30255061 is about 311.6013598505.

The spelling of 30255061 in words is "thirty million, two hundred fifty-five thousand, sixty-one".