25100030 has 16 divisors (see below), whose sum is σ = 45725904. Its totient is φ = 9918720.

The previous prime is 25100029. The next prime is 25100039. The reversal of 25100030 is 3000152.

It is a junction number, because it is equal to n+sod(n) for n = 25099984 and 25100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25100039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14291 + ... + 15950.

It is an arithmetic number, because the mean of its divisors is an integer number (2857869).

Almost surely, 2^25100030 is an apocalyptic number.

25100030 is a deficient number, since it is larger than the sum of its proper divisors (20625874).

25100030 is a wasteful number, since it uses less digits than its factorization.

25100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 25100030 is about 5009.9930139672. The cubic root of 25100030 is about 292.7912408296.

Adding to 25100030 its reverse (3000152), we get a palindrome (28100182).

The spelling of 25100030 in words is "twenty-five million, one hundred thousand, thirty".