2578050 has 72 divisors (see below), whose sum is σ = 7355556. Its totient is φ = 645120.

The previous prime is 2578031. The next prime is 2578057. The reversal of 2578050 is 508752.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 998001 + 1580049 = 999^2 + 1257^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7482 + ... + 7818.

2^2578050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3677778).

2578050 is an abundant number, since it is smaller than the sum of its proper divisors (4777506).

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

2578050 is a wasteful number, since it uses less digits than its factorization.

2578050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2578050 is about 1605.6307171950. The cubic root of 2578050 is about 137.1188341478.

The spelling of 2578050 in words is "two million, five hundred seventy-eight thousand, fifty".