30195461 has 4 divisors (see below), whose sum is σ = 30257952. Its totient is φ = 30132972.

The previous prime is 30195449. The next prime is 30195463. The reversal of 30195461 is 16459103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30195461 - 2⁶ = 30195397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30195463) 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, 30515 + ... + 31488.

It is an arithmetic number, because the mean of its divisors is an integer number (7564488).

Almost surely, 2^30195461 is an apocalyptic number.

It is an amenable number.

30195461 is a deficient number, since it is larger than the sum of its proper divisors (62491).

30195461 is an equidigital number, since it uses as much as digits as its factorization.

30195461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62490.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 30195461 is about 5495.0396722863. The cubic root of 30195461 is about 311.3966156024.

The spelling of 30195461 in words is "thirty million, one hundred ninety-five thousand, four hundred sixty-one".