30512053 has 16 divisors (see below), whose sum is σ = 37408896. Its totient is φ = 24488640.

The previous prime is 30512051. The next prime is 30512063. The reversal of 30512053 is 35021503.

It is not a de Polignac number, because 30512053 - 2¹ = 30512051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30512053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30512051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350 + ... + 7927.

It is an arithmetic number, because the mean of its divisors is an integer number (2338056).

Almost surely, 2^30512053 is an apocalyptic number.

It is an amenable number.

30512053 is a deficient number, since it is larger than the sum of its proper divisors (6896843).

30512053 is a wasteful number, since it uses less digits than its factorization.

30512053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30512053 is about 5523.7716281541. The cubic root of 30512053 is about 312.4811397684.

Adding to 30512053 its reverse (35021503), we get a palindrome (65533556).

The spelling of 30512053 in words is "thirty million, five hundred twelve thousand, fifty-three".