2135447 has 2 divisors, whose sum is σ = 2135448. Its totient is φ = 2135446.

The previous prime is 2135417. The next prime is 2135453. The reversal of 2135447 is 7445312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135447 - 2⁶ = 2135383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067723 + 1067724.

It is an arithmetic number, because the mean of its divisors is an integer number (1067724).

2^2135447 is an apocalyptic number.

2135447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135447 is an equidigital number, since it uses as much as digits as its factorization.

2135447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 26.

The square root of 2135447 is about 1461.3168718659. The cubic root of 2135447 is about 128.7744189710.

The spelling of 2135447 in words is "two million, one hundred thirty-five thousand, four hundred forty-seven".