27652997 has 2 divisors, whose sum is σ = 27652998. Its totient is φ = 27652996.

The previous prime is 27652993. The next prime is 27653011. The reversal of 27652997 is 79925672.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16370116 + 11282881 = 4046^2 + 3359^2 .

It is a cyclic number.

It is not a de Polignac number, because 27652997 - 2² = 27652993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27652991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13826498 + 13826499.

It is an arithmetic number, because the mean of its divisors is an integer number (13826499).

Almost surely, 2^27652997 is an apocalyptic number.

It is an amenable number.

27652997 is a deficient number, since it is larger than the sum of its proper divisors (1).

27652997 is an equidigital number, since it uses as much as digits as its factorization.

27652997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 27652997 is about 5258.6116989183. The cubic root of 27652997 is about 302.3992679650.

The spelling of 27652997 in words is "twenty-seven million, six hundred fifty-two thousand, nine hundred ninety-seven".