2545019 has 12 divisors (see below), whose sum is σ = 2826936. Its totient is φ = 2283072.

The previous prime is 2545013. The next prime is 2545021. The reversal of 2545019 is 9105452.

It is not a de Polignac number, because 2545019 - 2¹⁶ = 2479483 is a prime.

It is a super-2 number, since 2×2545019² = 12954243420722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 8852 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (235578).

2^2545019 is an apocalyptic number.

2545019 is a deficient number, since it is larger than the sum of its proper divisors (281917).

2545019 is a wasteful number, since it uses less digits than its factorization.

2545019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2545019 is about 1595.3115683151. The cubic root of 2545019 is about 136.5307082042.

The spelling of 2545019 in words is "two million, five hundred forty-five thousand, nineteen".