30540451 has 8 divisors (see below), whose sum is σ = 31828320. Its totient is φ = 29268288.

The previous prime is 30540421. The next prime is 30540463. The reversal of 30540451 is 15404503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30540451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30540401) 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, 130 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (3978540).

Almost surely, 2^30540451 is an apocalyptic number.

30540451 is a deficient number, since it is larger than the sum of its proper divisors (1287869).

30540451 is a wasteful number, since it uses less digits than its factorization.

30540451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30540451 is about 5526.3415565815. The cubic root of 30540451 is about 312.5780532497.

Adding to 30540451 its reverse (15404503), we get a palindrome (45944954).

The spelling of 30540451 in words is "thirty million, five hundred forty thousand, four hundred fifty-one".