2536442 has 4 divisors (see below), whose sum is σ = 3804666. Its totient is φ = 1268220.

The previous prime is 2536423. The next prime is 2536447. The reversal of 2536442 is 2446352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1635841 + 900601 = 1279^2 + 949^2 .

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 3⁶ + 6⁶ + 4⁴ + 4⁵ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (2536447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634109 + ... + 634112.

2^2536442 is an apocalyptic number.

2536442 is a deficient number, since it is larger than the sum of its proper divisors (1268224).

2536442 is a wasteful number, since it uses less digits than its factorization.

2536442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268223.

The product of its digits is 5760, while the sum is 26.

The square root of 2536442 is about 1592.6211099945. The cubic root of 2536442 is about 136.3771609751.

The spelling of 2536442 in words is "two million, five hundred thirty-six thousand, four hundred forty-two".