25050030 has 16 divisors (see below), whose sum is σ = 60120144. Its totient is φ = 6680000.

The previous prime is 25050019. The next prime is 25050041. The reversal of 25050030 is 3005052.

25050030 = 2501² + 2502² + ... + 2504².

It is an interprime number because it is at equal distance from previous prime (25050019) and next prime (25050041).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 25049991 and 25050009.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 417471 + ... + 417530.

It is an arithmetic number, because the mean of its divisors is an integer number (3757509).

Almost surely, 2^25050030 is an apocalyptic number.

25050030 is an abundant number, since it is smaller than the sum of its proper divisors (35070114).

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

25050030 is a wasteful number, since it uses less digits than its factorization.

25050030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835011.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 25050030 is about 5005.0004995005. Note that the first 3 decimals coincide. The cubic root of 25050030 is about 292.5966953300.

Adding to 25050030 its reverse (3005052), we get a palindrome (28055082).

The spelling of 25050030 in words is "twenty-five million, fifty thousand, thirty".