2153647 has 2 divisors, whose sum is σ = 2153648. Its totient is φ = 2153646.

The previous prime is 2153639. The next prime is 2153693. The reversal of 2153647 is 7463512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153647 - 2³ = 2153639 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 (2151647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076823 + 1076824.

It is an arithmetic number, because the mean of its divisors is an integer number (1076824).

2^2153647 is an apocalyptic number.

2153647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153647 is an equidigital number, since it uses as much as digits as its factorization.

2153647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 2153647 is about 1467.5309196061. The cubic root of 2153647 is about 129.1392243239.

The spelling of 2153647 in words is "two million, one hundred fifty-three thousand, six hundred forty-seven".