2650387 has 2 divisors, whose sum is σ = 2650388. Its totient is φ = 2650386.

The previous prime is 2650381. The next prime is 2650399. The reversal of 2650387 is 7830562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2650387 - 2³ = 2650379 is a prime.

It is a super-3 number, since 3×2650387³ = 55853337939664531809, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2650381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325193 + 1325194.

It is an arithmetic number, because the mean of its divisors is an integer number (1325194).

2^2650387 is an apocalyptic number.

2650387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650387 is an equidigital number, since it uses as much as digits as its factorization.

2650387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2650387 is about 1628.0009213757. Note that the first 3 decimals coincide. The cubic root of 2650387 is about 138.3894864044.

The spelling of 2650387 in words is "two million, six hundred fifty thousand, three hundred eighty-seven".