2502100442 has 8 divisors (see below), whose sum is σ = 3753402516. Its totient is φ = 1250966272.

The previous prime is 2502100439. The next prime is 2502100451. The reversal of 2502100442 is 2440012052.

It is a happy number.

It is a Cunningham number, because it is equal to 50021²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2502100441 + 1 = 50021^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458 + ... + 71034.

Almost surely, 2^2502100442 is an apocalyptic number.

2502100442 is a deficient number, since it is larger than the sum of its proper divisors (1251302074).

2502100442 is a wasteful number, since it uses less digits than its factorization.

2502100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83952.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2502100442 is about 50021.0000099958. Note that the first 5 decimals coincide. The cubic root of 2502100442 is about 1357.5888003483.

Adding to 2502100442 its reverse (2440012052), we get a palindrome (4942112494).

The spelling of 2502100442 in words is "two billion, five hundred two million, one hundred thousand, four hundred forty-two".