2545471 has 4 divisors (see below), whose sum is σ = 2604712. Its totient is φ = 2486232.

The previous prime is 2545453. The next prime is 2545481. The reversal of 2545471 is 1745452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2545471 - 2⁷ = 2545343 is a prime.

It is a super-3 number, since 3×2545471³ = 49479547065556566333, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29556 + ... + 29641.

It is an arithmetic number, because the mean of its divisors is an integer number (651178).

2^2545471 is an apocalyptic number.

2545471 is a deficient number, since it is larger than the sum of its proper divisors (59241).

2545471 is an equidigital number, since it uses as much as digits as its factorization.

2545471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59240.

The product of its digits is 5600, while the sum is 28.

The square root of 2545471 is about 1595.4532271427. The cubic root of 2545471 is about 136.5387904264.

The spelling of 2545471 in words is "two million, five hundred forty-five thousand, four hundred seventy-one".