42501002 has 8 divisors (see below), whose sum is σ = 64383012. Its totient is φ = 21040000.

The previous prime is 42501001. The next prime is 42501007. The reversal of 42501002 is 20010524.

It can be written as a sum of positive squares in 2 ways, for example, as 38925121 + 3575881 = 6239^2 + 1891^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42501001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104999 + ... + 105402.

Almost surely, 2^42501002 is an apocalyptic number.

42501002 is a deficient number, since it is larger than the sum of its proper divisors (21882010).

42501002 is a wasteful number, since it uses less digits than its factorization.

42501002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210504.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 42501002 is about 6519.2792546416. The cubic root of 42501002 is about 348.9793448694.

Adding to 42501002 its reverse (20010524), we get a palindrome (62511526).

The spelling of 42501002 in words is "forty-two million, five hundred one thousand, two".