30540051 has 8 divisors (see below), whose sum is σ = 45244560. Its totient is φ = 20360016.

The previous prime is 30540017. The next prime is 30540079. The reversal of 30540051 is 15004503.

It is not a de Polignac number, because 30540051 - 2¹⁰ = 30539027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30540091) 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, 565530 + ... + 565583.

It is an arithmetic number, because the mean of its divisors is an integer number (5655570).

Almost surely, 2^30540051 is an apocalyptic number.

30540051 is a deficient number, since it is larger than the sum of its proper divisors (14704509).

30540051 is a wasteful number, since it uses less digits than its factorization.

30540051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131122 (or 1131116 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 30540051 is about 5526.3053661556. The cubic root of 30540051 is about 312.5766885921.

Adding to 30540051 its reverse (15004503), we get a palindrome (45544554).

The spelling of 30540051 in words is "thirty million, five hundred forty thousand, fifty-one".