2545356 has 36 divisors (see below), whose sum is σ = 6531896. Its totient is φ = 770880.

The previous prime is 2545343. The next prime is 2545357. The reversal of 2545356 is 6535452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576 + ... + 2328.

2^2545356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265948).

2545356 is an abundant number, since it is smaller than the sum of its proper divisors (3986540).

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

2545356 is a wasteful number, since it uses less digits than its factorization.

2545356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1769 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 2545356 is about 1595.4171868198. The cubic root of 2545356 is about 136.5367341996.

It can be divided in two parts, 254535 and 6, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 2545356 in words is "two million, five hundred forty-five thousand, three hundred fifty-six".