2582541938 has 4 divisors (see below), whose sum is σ = 3873812910. Its totient is φ = 1291270968.

The previous prime is 2582541937. The next prime is 2582541967. The reversal of 2582541938 is 8391452852.

It is a happy number.

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., 2056894609 + 525647329 = 45353^2 + 22927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2582541892 and 2582541901.

It is not an unprimeable number, because it can be changed into a prime (2582541937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645635483 + ... + 645635486.

Almost surely, 2^2582541938 is an apocalyptic number.

2582541938 is a deficient number, since it is larger than the sum of its proper divisors (1291270972).

2582541938 is a wasteful number, since it uses less digits than its factorization.

2582541938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291270971.

The product of its digits is 691200, while the sum is 47.

The square root of 2582541938 is about 50818.7164143291. The cubic root of 2582541938 is about 1371.9842555999.

The spelling of 2582541938 in words is "two billion, five hundred eighty-two million, five hundred forty-one thousand, nine hundred thirty-eight".