2315647 has 2 divisors, whose sum is σ = 2315648. Its totient is φ = 2315646.

The previous prime is 2315641. The next prime is 2315657. The reversal of 2315647 is 7465132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2315647 - 2¹¹ = 2313599 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157823 + 1157824.

It is an arithmetic number, because the mean of its divisors is an integer number (1157824).

2^2315647 is an apocalyptic number.

2315647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315647 is an equidigital number, since it uses as much as digits as its factorization.

2315647 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 2315647 is about 1521.7250080090. The cubic root of 2315647 is about 132.2992712378.

The spelling of 2315647 in words is "two million, three hundred fifteen thousand, six hundred forty-seven".