2545206 has 16 divisors (see below), whose sum is σ = 5390064. Its totient is φ = 798464.

The previous prime is 2545187. The next prime is 2545211. The reversal of 2545206 is 6025452.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12375 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (336879).

2^2545206 is an apocalyptic number.

2545206 is an abundant number, since it is smaller than the sum of its proper divisors (2844858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545206 is a wasteful number, since it uses less digits than its factorization.

2545206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24975.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2545206 is about 1595.3701764794. The cubic root of 2545206 is about 136.5340520715.

It can be divided in two parts, 254 and 5206, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 2545206 in words is "two million, five hundred forty-five thousand, two hundred six".