25000105 has 32 divisors (see below), whose sum is σ = 35159040. Its totient is φ = 16899840.

The previous prime is 25000069. The next prime is 25000109. The reversal of 25000105 is 50100052.

It is not a de Polignac number, because 25000105 - 2¹⁹ = 24475817 is a prime.

It is a super-2 number, since 2×25000105² = 1250010500022050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

25000105 is a modest number, since divided by 105 gives 25 as remainder.

It is not an unprimeable number, because it can be changed into a prime (25000109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37959 + ... + 38611.

It is an arithmetic number, because the mean of its divisors is an integer number (1098720).

Almost surely, 2^25000105 is an apocalyptic number.

It is an amenable number.

25000105 is a deficient number, since it is larger than the sum of its proper divisors (10158935).

25000105 is a wasteful number, since it uses less digits than its factorization.

25000105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 25000105 is about 5000.0104999890. The cubic root of 25000105 is about 292.4021831832.

Adding to 25000105 its reverse (50100052), we get a palindrome (75100157).

The spelling of 25000105 in words is "twenty-five million, one hundred five", and thus it is an aban number.