2552436 has 18 divisors (see below), whose sum is σ = 6452082. Its totient is φ = 850800.

The previous prime is 2552413. The next prime is 2552449. The reversal of 2552436 is 6342552.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 24336 = 1590^2 + 156^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35415 + ... + 35486.

It is an arithmetic number, because the mean of its divisors is an integer number (358449).

2^2552436 is an apocalyptic number.

It is an amenable number.

2552436 is an abundant number, since it is smaller than the sum of its proper divisors (3899646).

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

2552436 is a wasteful number, since it uses less digits than its factorization.

2552436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70911 (or 70906 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2552436 is about 1597.6345013801. The cubic root of 2552436 is about 136.6632109642.

Adding to 2552436 its reverse (6342552), we get a palindrome (8894988).

The spelling of 2552436 in words is "two million, five hundred fifty-two thousand, four hundred thirty-six".