30532253 has 4 divisors (see below), whose sum is σ = 30546240. Its totient is φ = 30518268.

The previous prime is 30532237. The next prime is 30532267. The reversal of 30532253 is 35223503.

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 30532253 - 2⁴ = 30532237 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 (30532213) 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, 2933 + ... + 8346.

It is an arithmetic number, because the mean of its divisors is an integer number (7636560).

Almost surely, 2^30532253 is an apocalyptic number.

It is an amenable number.

30532253 is a deficient number, since it is larger than the sum of its proper divisors (13987).

30532253 is a wasteful number, since it uses less digits than its factorization.

30532253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 30532253 is about 5525.5997864485. The cubic root of 30532253 is about 312.5500822132.

Adding to 30532253 its reverse (35223503), we get a palindrome (65755756).

The spelling of 30532253 in words is "thirty million, five hundred thirty-two thousand, two hundred fifty-three".