2545230 has 32 divisors (see below), whose sum is σ = 6276384. Its totient is φ = 660096.

The previous prime is 2545211. The next prime is 2545237. The reversal of 2545230 is 325452.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2545197 and 2545206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (196137).

2^2545230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3138192).

2545230 is an abundant number, since it is smaller than the sum of its proper divisors (3731154).

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

2545230 is a wasteful number, since it uses less digits than its factorization.

2545230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2545230 is about 1595.3776982270. The cubic root of 2545230 is about 136.5344812191.

It can be divided in two parts, 2545 and 230, that added together give a triangular number (2775 = T₇₄).

The spelling of 2545230 in words is "two million, five hundred forty-five thousand, two hundred thirty".