2545797 has 4 divisors (see below), whose sum is σ = 3394400. Its totient is φ = 1697196.

The previous prime is 2545783. The next prime is 2545811. The reversal of 2545797 is 7975452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2545783) and next prime (2545811).

It is not a de Polignac number, because 2545797 - 2¹² = 2541701 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545727) 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, 424297 + ... + 424302.

It is an arithmetic number, because the mean of its divisors is an integer number (848600).

2^2545797 is an apocalyptic number.

It is an amenable number.

2545797 is a deficient number, since it is larger than the sum of its proper divisors (848603).

2545797 is an equidigital number, since it uses as much as digits as its factorization.

2545797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848602.

The product of its digits is 88200, while the sum is 39.

The square root of 2545797 is about 1595.5553891984. Note that the first 3 decimals coincide. The cubic root of 2545797 is about 136.5446190459.

The spelling of 2545797 in words is "two million, five hundred forty-five thousand, seven hundred ninety-seven".