27924541 has 2 divisors, whose sum is σ = 27924542. Its totient is φ = 27924540.

The previous prime is 27924517. The next prime is 27924563. The reversal of 27924541 is 14542972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 1102500 = 5179^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 27924541 - 2¹³ = 27916349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27924497 and 27924506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27924511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962270 + 13962271.

It is an arithmetic number, because the mean of its divisors is an integer number (13962271).

Almost surely, 2^27924541 is an apocalyptic number.

It is an amenable number.

27924541 is a deficient number, since it is larger than the sum of its proper divisors (1).

27924541 is an equidigital number, since it uses as much as digits as its factorization.

27924541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 27924541 is about 5284.3676064407. The cubic root of 27924541 is about 303.3858684786.

The spelling of 27924541 in words is "twenty-seven million, nine hundred twenty-four thousand, five hundred forty-one".