27952051 has 4 divisors (see below), whose sum is σ = 27963712. Its totient is φ = 27940392.

The previous prime is 27952033. The next prime is 27952073. The reversal of 27952051 is 15025972.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27952051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27952151) 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, 771 + ... + 7516.

It is an arithmetic number, because the mean of its divisors is an integer number (6990928).

Almost surely, 2^27952051 is an apocalyptic number.

27952051 is a deficient number, since it is larger than the sum of its proper divisors (11661).

27952051 is an equidigital number, since it uses as much as digits as its factorization.

27952051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11660.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 27952051 is about 5286.9699261486. The cubic root of 27952051 is about 303.4854631445.

The spelling of 27952051 in words is "twenty-seven million, nine hundred fifty-two thousand, fifty-one".