25002530 has 16 divisors (see below), whose sum is σ = 51433920. Its totient is φ = 8572272.

The previous prime is 25002521. The next prime is 25002533. The reversal of 25002530 is 3520052.

It is a junction number, because it is equal to n+sod(n) for n = 25002499 and 25002508.

It is not an unprimeable number, because it can be changed into a prime (25002533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178520 + ... + 178659.

It is an arithmetic number, because the mean of its divisors is an integer number (3214620).

Almost surely, 2^25002530 is an apocalyptic number.

25002530 is an abundant number, since it is smaller than the sum of its proper divisors (26431390).

25002530 is a wasteful number, since it uses less digits than its factorization.

25002530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357193.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 25002530 is about 5000.2529935994. The cubic root of 25002530 is about 292.4116371751.

Adding to 25002530 its reverse (3520052), we get a palindrome (28522582).

The spelling of 25002530 in words is "twenty-five million, two thousand, five hundred thirty".