2545801 has 12 divisors (see below), whose sum is σ = 2829312. Its totient is φ = 2285888.

The previous prime is 2545783. The next prime is 2545811. The reversal of 2545801 is 1085452.

It is not a de Polignac number, because 2545801 - 2⁵ = 2545769 is a prime.

It is a super-2 number, since 2×2545801² = 12962205463202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545811) 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, 6456 + ... + 6838.

It is an arithmetic number, because the mean of its divisors is an integer number (235776).

2^2545801 is an apocalyptic number.

It is an amenable number.

2545801 is a deficient number, since it is larger than the sum of its proper divisors (283511).

2545801 is a wasteful number, since it uses less digits than its factorization.

2545801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2545801 is about 1595.5566426799. The cubic root of 2545801 is about 136.5446905596.

The spelling of 2545801 in words is "two million, five hundred forty-five thousand, eight hundred one".