2545015 has 8 divisors (see below), whose sum is σ = 3331728. Its totient is φ = 1850880.

The previous prime is 2545013. The next prime is 2545021. The reversal of 2545015 is 5105452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2545015 - 2¹ = 2545013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545013) 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, 23082 + ... + 23191.

It is an arithmetic number, because the mean of its divisors is an integer number (416466).

2^2545015 is an apocalyptic number.

2545015 is a deficient number, since it is larger than the sum of its proper divisors (786713).

2545015 is a wasteful number, since it uses less digits than its factorization.

2545015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46289.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2545015 is about 1595.3103146410. The cubic root of 2545015 is about 136.5306366759.

The spelling of 2545015 in words is "two million, five hundred forty-five thousand, fifteen".