25412020 has 24 divisors (see below), whose sum is σ = 53711784. Its totient is φ = 10098816.

The previous prime is 25411999. The next prime is 25412021. The reversal of 25412020 is 2021452.

It can be written as a sum of positive squares in 4 ways, for example, as 850084 + 24561936 = 922^2 + 4956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25411985 and 25412003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25412021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 907 + ... + 7186.

It is an arithmetic number, because the mean of its divisors is an integer number (2237991).

Almost surely, 2^25412020 is an apocalyptic number.

25412020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25412020 is an abundant number, since it is smaller than the sum of its proper divisors (28299764).

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

25412020 is a wasteful number, since it uses less digits than its factorization.

25412020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 25412020 is about 5041.0336241688. The cubic root of 25412020 is about 293.9993675461. Note that the first 3 decimals are identical.

Adding to 25412020 its reverse (2021452), we get a palindrome (27433472).

The spelling of 25412020 in words is "twenty-five million, four hundred twelve thousand, twenty".