2510245642 has 4 divisors (see below), whose sum is σ = 3765368466. Its totient is φ = 1255122820.

The previous prime is 2510245631. The next prime is 2510245643. The reversal of 2510245642 is 2465420152.

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., 2470189401 + 40056241 = 49701^2 + 6329^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2510245643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627561409 + ... + 627561412.

Almost surely, 2^2510245642 is an apocalyptic number.

2510245642 is a deficient number, since it is larger than the sum of its proper divisors (1255122824).

2510245642 is a wasteful number, since it uses less digits than its factorization.

2510245642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255122823.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2510245642 is about 50102.3516613741. The cubic root of 2510245642 is about 1359.0603446484.

Adding to 2510245642 its reverse (2465420152), we get a palindrome (4975665794).

The spelling of 2510245642 in words is "two billion, five hundred ten million, two hundred forty-five thousand, six hundred forty-two".