2650997 has 6 divisors (see below), whose sum is σ = 2816418. Its totient is φ = 2494784.

The previous prime is 2650987. The next prime is 2651017. The reversal of 2650997 is 7990562.

It can be written as a sum of positive squares in 3 ways, for example, as 358801 + 2292196 = 599^2 + 1514^2 .

It is not a de Polignac number, because 2650997 - 2⁴ = 2650981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2650997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4298 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (469403).

2^2650997 is an apocalyptic number.

It is an amenable number.

2650997 is a deficient number, since it is larger than the sum of its proper divisors (165421).

2650997 is an equidigital number, since it uses as much as digits as its factorization.

2650997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207 (or 9190 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2650997 is about 1628.1882569285. The cubic root of 2650997 is about 138.4001026039.

The spelling of 2650997 in words is "two million, six hundred fifty thousand, nine hundred ninety-seven".