30532275 has 24 divisors (see below), whose sum is σ = 56090160. Its totient is φ = 16283520.

The previous prime is 30532267. The next prime is 30532277. The reversal of 30532275 is 57223503.

It is not a de Polignac number, because 30532275 - 2³ = 30532267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30532277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21942 + ... + 23291.

It is an arithmetic number, because the mean of its divisors is an integer number (2337090).

Almost surely, 2^30532275 is an apocalyptic number.

30532275 is a deficient number, since it is larger than the sum of its proper divisors (25557885).

30532275 is a wasteful number, since it uses less digits than its factorization.

30532275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45252 (or 45241 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30532275 is about 5525.6017771823. The cubic root of 30532275 is about 312.5501572825.

Adding to 30532275 its reverse (57223503), we get a palindrome (87755778).

The spelling of 30532275 in words is "thirty million, five hundred thirty-two thousand, two hundred seventy-five".