25240030 has 8 divisors (see below), whose sum is σ = 45432072. Its totient is φ = 10096008.

The previous prime is 25240013. The next prime is 25240043. The reversal of 25240030 is 3004252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25240030² = 1274118228801800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25239986 and 25240013.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1261992 + ... + 1262011.

It is an arithmetic number, because the mean of its divisors is an integer number (5679009).

Almost surely, 2^25240030 is an apocalyptic number.

25240030 is a deficient number, since it is larger than the sum of its proper divisors (20192042).

25240030 is a wasteful number, since it uses less digits than its factorization.

25240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524010.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 25240030 is about 5023.9456605342. The cubic root of 25240030 is about 293.3345973890.

Adding to 25240030 its reverse (3004252), we get a palindrome (28244282).

The spelling of 25240030 in words is "twenty-five million, two hundred forty thousand, thirty".