30132997 has 4 divisors (see below), whose sum is σ = 30471660. Its totient is φ = 29794336.

The previous prime is 30132937. The next prime is 30133003. The reversal of 30132997 is 79923103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18395521 + 11737476 = 4289^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 30132997 - 2¹¹ = 30130949 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 (30132937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169198 + ... + 169375.

It is an arithmetic number, because the mean of its divisors is an integer number (7617915).

Almost surely, 2^30132997 is an apocalyptic number.

It is an amenable number.

30132997 is a deficient number, since it is larger than the sum of its proper divisors (338663).

30132997 is an equidigital number, since it uses as much as digits as its factorization.

30132997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338662.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 30132997 is about 5489.3530584214. The cubic root of 30132997 is about 311.1817432837.

The spelling of 30132997 in words is "thirty million, one hundred thirty-two thousand, nine hundred ninety-seven".