25010530 has 16 divisors (see below), whose sum is σ = 45636984. Its totient is φ = 9866880.

The previous prime is 25010509. The next prime is 25010537. The reversal of 25010530 is 3501052.

It can be written as a sum of positive squares in 4 ways, for example, as 24890121 + 120409 = 4989^2 + 347^2 .

It is a super-2 number, since 2×25010530² = 1251053221761800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25010537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16401 + ... + 17860.

Almost surely, 2^25010530 is an apocalyptic number.

25010530 is a deficient number, since it is larger than the sum of its proper divisors (20626454).

25010530 is a wasteful number, since it uses less digits than its factorization.

25010530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34341.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 25010530 is about 5001.0528891424. The cubic root of 25010530 is about 292.4428212678.

Adding to 25010530 its reverse (3501052), we get a palindrome (28511582).

The spelling of 25010530 in words is "twenty-five million, ten thousand, five hundred thirty".