2545197 has 4 divisors (see below), whose sum is σ = 3393600. Its totient is φ = 1696796.

The previous prime is 2545187. The next prime is 2545211. The reversal of 2545197 is 7915452.

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 a cyclic number.

It is not a de Polignac number, because 2545197 - 2¹⁵ = 2512429 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545117) 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, 424197 + ... + 424202.

It is an arithmetic number, because the mean of its divisors is an integer number (848400).

2^2545197 is an apocalyptic number.

It is an amenable number.

2545197 is a deficient number, since it is larger than the sum of its proper divisors (848403).

2545197 is an equidigital number, since it uses as much as digits as its factorization.

2545197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848402.

The product of its digits is 12600, while the sum is 33.

The square root of 2545197 is about 1595.3673558150. The cubic root of 2545197 is about 136.5338911405.

The spelling of 2545197 in words is "two million, five hundred forty-five thousand, one hundred ninety-seven".