25042252030 has 16 divisors (see below), whose sum is σ = 45363165120. Its totient is φ = 9953098272.

The previous prime is 25042252019. The next prime is 25042252061. The reversal of 25042252030 is 3025224052.

It is a happy number.

It is a super-2 number, since 2×25042252030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25042251986 and 25042252004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7973670 + ... + 7976809.

It is an arithmetic number, because the mean of its divisors is an integer number (2835197820).

Almost surely, 2^25042252030 is an apocalyptic number.

25042252030 is a deficient number, since it is larger than the sum of its proper divisors (20320913090).

25042252030 is a wasteful number, since it uses less digits than its factorization.

25042252030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15950643.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 25042252030 its reverse (3025224052), we get a palindrome (28067476082).

The spelling of 25042252030 in words is "twenty-five billion, forty-two million, two hundred fifty-two thousand, thirty".