2545203 has 8 divisors (see below), whose sum is σ = 3541248. Its totient is φ = 1622984.

The previous prime is 2545187. The next prime is 2545211. The reversal of 2545203 is 3025452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545203 - 2⁴ = 2545187 is a prime.

It is a super-2 number, since 2×2545203² = 12956116622418, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 5³ + 4⁸ + 5⁹ + 2¹⁹ + 0 + 3⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2545203.

It is not an unprimeable number, because it can be changed into a prime (2545253) 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, 18375 + ... + 18512.

It is an arithmetic number, because the mean of its divisors is an integer number (442656).

2^2545203 is an apocalyptic number.

2545203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2545203 is a deficient number, since it is larger than the sum of its proper divisors (996045).

2545203 is a wasteful number, since it uses less digits than its factorization.

2545203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36913.

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

The square root of 2545203 is about 1595.3692362585. The cubic root of 2545203 is about 136.5339984279.

Subtracting 2545203 from its reverse (3025452), we obtain a square (480249 = 693²).

The spelling of 2545203 in words is "two million, five hundred forty-five thousand, two hundred three".