7045427 has 2 divisors, whose sum is σ = 7045428. Its totient is φ = 7045426.

The previous prime is 7045411. The next prime is 7045453. The reversal of 7045427 is 7245407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7045427 - 2⁴ = 7045411 is a prime.

It is a super-2 number, since 2×7045427² = 99276083224658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7045427.

It is not a weakly prime, because it can be changed into another prime (7045487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3522713 + 3522714.

It is an arithmetic number, because the mean of its divisors is an integer number (3522714).

Almost surely, 2^7045427 is an apocalyptic number.

7045427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7045427 is an equidigital number, since it uses as much as digits as its factorization.

7045427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 7045427 is about 2654.3223240594. The cubic root of 7045427 is about 191.7060298065.

The spelling of 7045427 in words is "seven million, forty-five thousand, four hundred twenty-seven".