25030420002 has 36 divisors (see below), whose sum is σ = 63086877126. Its totient is φ = 7151548320.

The previous prime is 25030420001. The next prime is 25030420003. The reversal of 25030420002 is 20002403052.

It is an interprime number because it is at equal distance from previous prime (25030420001) and next prime (25030420003).

It can be written as a sum of positive squares in only one way, i.e., 15976707201 + 9053712801 = 126399^2 + 95151^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (25030420001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14188699 + ... + 14190462.

Almost surely, 2^25030420002 is an apocalyptic number.

25030420002 is an abundant number, since it is smaller than the sum of its proper divisors (38056457124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25030420002 is a wasteful number, since it uses less digits than its factorization.

25030420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28379183 (or 28379173 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 25030420002 its reverse (20002403052), we get a palindrome (45032823054).

The spelling of 25030420002 in words is "twenty-five billion, thirty million, four hundred twenty thousand, two".