2505602042 has 16 divisors (see below), whose sum is σ = 3805532712. Its totient is φ = 1237186560.

The previous prime is 2505602017. The next prime is 2505602051. The reversal of 2505602042 is 2402065052.

It can be written as a sum of positive squares in 4 ways, for example, as 2354287441 + 151314601 = 48521^2 + 12301^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29192 + ... + 76572.

Almost surely, 2^2505602042 is an apocalyptic number.

2505602042 is a deficient number, since it is larger than the sum of its proper divisors (1299930670).

2505602042 is a wasteful number, since it uses less digits than its factorization.

2505602042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47713.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2505602042 is about 50055.9890722379. The cubic root of 2505602042 is about 1358.2218041274.

Adding to 2505602042 its reverse (2402065052), we get a palindrome (4907667094).

The spelling of 2505602042 in words is "two billion, five hundred five million, six hundred two thousand, forty-two".