2545270 has 32 divisors (see below), whose sum is σ = 5640768. Its totient is φ = 805248.

The previous prime is 2545261. The next prime is 2545271. The reversal of 2545270 is 725452.

It is an Ulam number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545271) 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 15 ways as a sum of consecutive naturals, for example, 489 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (176274).

2^2545270 is an apocalyptic number.

2545270 is an abundant number, since it is smaller than the sum of its proper divisors (3095498).

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

2545270 is a wasteful number, since it uses less digits than its factorization.

2545270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2545270 is about 1595.3902343941. The cubic root of 2545270 is about 136.5351964590.

The spelling of 2545270 in words is "two million, five hundred forty-five thousand, two hundred seventy".