250040002 has 4 divisors (see below), whose sum is σ = 375060006. Its totient is φ = 125020000.

The previous prime is 250039987. The next prime is 250040009. The reversal of 250040002 is 200040052.

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., 225030001 + 25010001 = 15001^2 + 5001^2 .

It is a Smith number, since the sum of its digits (13) 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 (250040009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62509999 + ... + 62510002.

Almost surely, 2^250040002 is an apocalyptic number.

250040002 is a deficient number, since it is larger than the sum of its proper divisors (125020004).

250040002 is a wasteful number, since it uses less digits than its factorization.

250040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125020003.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 250040002 is about 15812.6532245541. The cubic root of 250040002 is about 629.9941227301.

Adding to 250040002 its reverse (200040052), we get a palindrome (450080054).

The spelling of 250040002 in words is "two hundred fifty million, forty thousand, two".