2665427 has 2 divisors, whose sum is σ = 2665428. Its totient is φ = 2665426.

The previous prime is 2665409. The next prime is 2665433. The reversal of 2665427 is 7245662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2665427 - 2⁶ = 2665363 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2665393 and 2665402.

It is not a weakly prime, because it can be changed into another prime (2665027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332713 + 1332714.

It is an arithmetic number, because the mean of its divisors is an integer number (1332714).

2^2665427 is an apocalyptic number.

2665427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665427 is an equidigital number, since it uses as much as digits as its factorization.

2665427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 2665427 is about 1632.6135488841. The cubic root of 2665427 is about 138.6507631180.

The spelling of 2665427 in words is "two million, six hundred sixty-five thousand, four hundred twenty-seven".