2545347 has 16 divisors (see below), whose sum is σ = 3944192. Its totient is φ = 1429920.

The previous prime is 2545343. The next prime is 2545357. The reversal of 2545347 is 7435452.

It is not a de Polignac number, because 2545347 - 2² = 2545343 is a prime.

2545347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2545343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (246512).

2^2545347 is an apocalyptic number.

2545347 is a deficient number, since it is larger than the sum of its proper divisors (1398845).

2545347 is a wasteful number, since it uses less digits than its factorization.

2545347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058.

The product of its digits is 16800, while the sum is 30.

The square root of 2545347 is about 1595.4143662384. The cubic root of 2545347 is about 136.5365732749.

It can be divided in two parts, 254534 and 7, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 2545347 in words is "two million, five hundred forty-five thousand, three hundred forty-seven".