30975461 has 8 divisors (see below), whose sum is σ = 34020000. Its totient is φ = 27969040.

The previous prime is 30975449. The next prime is 30975463. The reversal of 30975461 is 16457903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-30975461 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 (30975463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7811 + ... + 11088.

It is an arithmetic number, because the mean of its divisors is an integer number (4252500).

Almost surely, 2^30975461 is an apocalyptic number.

It is an amenable number.

30975461 is a deficient number, since it is larger than the sum of its proper divisors (3044539).

30975461 is a wasteful number, since it uses less digits than its factorization.

30975461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19059.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 30975461 is about 5565.5602593090. The cubic root of 30975461 is about 314.0551548211.

It can be divided in two parts, 3097 and 5461, that added together give a palindrome (8558).

The spelling of 30975461 in words is "thirty million, nine hundred seventy-five thousand, four hundred sixty-one".