2545172 has 24 divisors (see below), whose sum is σ = 5390784. Its totient is φ = 1026432.

The previous prime is 2545171. The next prime is 2545177. The reversal of 2545172 is 2715452.

It is a d-powerful number, because it can be written as 2¹¹ + 5³ + 4⁸ + 5⁹ + 1 + 7² + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198 + ... + 3149.

It is an arithmetic number, because the mean of its divisors is an integer number (224616).

2^2545172 is an apocalyptic number.

It is an amenable number.

2545172 is an abundant number, since it is smaller than the sum of its proper divisors (2845612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545172 is a wasteful number, since it uses less digits than its factorization.

2545172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 2545172 is about 1595.3595206097. The cubic root of 2545172 is about 136.5334441078.

The spelling of 2545172 in words is "two million, five hundred forty-five thousand, one hundred seventy-two".