2653397 has 4 divisors (see below), whose sum is σ = 2718156. Its totient is φ = 2588640.

The previous prime is 2653363. The next prime is 2653421. The reversal of 2653397 is 7933562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361201 + 2292196 = 601^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2653397 - 2⁶ = 2653333 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁷ + 5⁷ + 3³ + 3¹³ + 9⁵ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32318 + ... + 32399.

It is an arithmetic number, because the mean of its divisors is an integer number (679539).

2^2653397 is an apocalyptic number.

It is an amenable number.

2653397 is a deficient number, since it is larger than the sum of its proper divisors (64759).

2653397 is an equidigital number, since it uses as much as digits as its factorization.

2653397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64758.

The product of its digits is 34020, while the sum is 35.

The square root of 2653397 is about 1628.9251057062. The cubic root of 2653397 is about 138.4418554563.

The spelling of 2653397 in words is "two million, six hundred fifty-three thousand, three hundred ninety-seven".