30475461 has 4 divisors (see below), whose sum is σ = 40633952. Its totient is φ = 20316972.

The previous prime is 30475453. The next prime is 30475463. The reversal of 30475461 is 16457403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16457403 = 3 ⋅5485801.

It is not a de Polignac number, because 30475461 - 2³ = 30475453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30475463) 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, 5079241 + ... + 5079246.

It is an arithmetic number, because the mean of its divisors is an integer number (10158488).

Almost surely, 2^30475461 is an apocalyptic number.

It is an amenable number.

30475461 is a deficient number, since it is larger than the sum of its proper divisors (10158491).

30475461 is a wasteful number, since it uses less digits than its factorization.

30475461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158490.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30475461 is about 5520.4584048791. The cubic root of 30475461 is about 312.3561740286.

The spelling of 30475461 in words is "thirty million, four hundred seventy-five thousand, four hundred sixty-one".