2545810 has 16 divisors (see below), whose sum is σ = 4824000. Its totient is φ = 964656.

The previous prime is 2545783. The next prime is 2545811. The reversal of 2545810 is 185452.

It is a super-2 number, since 2×2545810² = 12962297112200, which contains 22 as substring.

It is an Ulam number.

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

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 7 ways as a sum of consecutive naturals, for example, 6510 + ... + 6889.

It is an arithmetic number, because the mean of its divisors is an integer number (301500).

2^2545810 is an apocalyptic number.

2545810 is a deficient number, since it is larger than the sum of its proper divisors (2278190).

2545810 is a wasteful number, since it uses less digits than its factorization.

2545810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425.

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

The square root of 2545810 is about 1595.5594630098. The cubic root of 2545810 is about 136.5448514652.

The spelling of 2545810 in words is "two million, five hundred forty-five thousand, eight hundred ten".