30630053 has 4 divisors (see below), whose sum is σ = 30692928. Its totient is φ = 30567180.

The previous prime is 30630029. The next prime is 30630091. The reversal of 30630053 is 35003603.

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.

It is a cyclic number.

It is not a de Polignac number, because 30630053 - 2²⁰ = 29581477 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 (30630013) 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, 30701 + ... + 31682.

It is an arithmetic number, because the mean of its divisors is an integer number (7673232).

Almost surely, 2^30630053 is an apocalyptic number.

It is an amenable number.

30630053 is a deficient number, since it is larger than the sum of its proper divisors (62875).

30630053 is an equidigital number, since it uses as much as digits as its factorization.

30630053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62874.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 30630053 is about 5534.4424290076. The cubic root of 30630053 is about 312.8834435549.

Adding to 30630053 its reverse (35003603), we get a palindrome (65633656).

The spelling of 30630053 in words is "thirty million, six hundred thirty thousand, fifty-three".