25126020 has 36 divisors (see below), whose sum is σ = 76216140. Its totient is φ = 6700224.

The previous prime is 25125979. The next prime is 25126033. The reversal of 25126020 is 2062152.

It can be written as a sum of positive squares in 2 ways, for example, as 15872256 + 9253764 = 3984^2 + 3042^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 25125984 and 25126002.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 69615 + ... + 69974.

It is an arithmetic number, because the mean of its divisors is an integer number (2117115).

Almost surely, 2^25126020 is an apocalyptic number.

25126020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25126020 is an abundant number, since it is smaller than the sum of its proper divisors (51090120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25126020 is a wasteful number, since it uses less digits than its factorization.

25126020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139604 (or 139599 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25126020 is about 5012.5861588605. The cubic root of 25126020 is about 292.8922635425.

Adding to 25126020 its reverse (2062152), we get a palindrome (27188172).

The spelling of 25126020 in words is "twenty-five million, one hundred twenty-six thousand, twenty".