2638252 has 6 divisors (see below), whose sum is σ = 4616948. Its totient is φ = 1319124.

The previous prime is 2638243. The next prime is 2638253. The reversal of 2638252 is 2528362.

It is a d-powerful number, because it can be written as 2¹¹ + 6 + 3⁸ + 8⁷ + 2¹³ + 5 + 2¹⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2638252.

It is not an unprimeable number, because it can be changed into a prime (2638253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329778 + ... + 329785.

2^2638252 is an apocalyptic number.

It is an amenable number.

2638252 is a deficient number, since it is larger than the sum of its proper divisors (1978696).

2638252 is a wasteful number, since it uses less digits than its factorization.

2638252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659567 (or 659565 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2638252 is about 1624.2696820417. The cubic root of 2638252 is about 138.1779542800.

It can be divided in two parts, 263 and 8252, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 2638252 in words is "two million, six hundred thirty-eight thousand, two hundred fifty-two".