2545461 has 24 divisors (see below), whose sum is σ = 3953664. Its totient is φ = 1572480.

The previous prime is 2545453. The next prime is 2545481. The reversal of 2545461 is 1645452.

It is not a de Polignac number, because 2545461 - 2³ = 2545453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19366 + ... + 19496.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

2^2545461 is an apocalyptic number.

It is an amenable number.

2545461 is a deficient number, since it is larger than the sum of its proper divisors (1408203).

2545461 is a wasteful number, since it uses less digits than its factorization.

2545461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 278 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2545461 is about 1595.4500932339. The cubic root of 2545461 is about 136.5386116265.

Subtracting from 2545461 its reverse (1645452), we obtain a palindrome (900009).

The spelling of 2545461 in words is "two million, five hundred forty-five thousand, four hundred sixty-one".