25011012 has 48 divisors (see below), whose sum is σ = 66552192. Its totient is φ = 7242240.

The previous prime is 25010989. The next prime is 25011023. The reversal of 25011012 is 21011052.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 15 ways as a sum of consecutive naturals, for example, 2064 + ... + 7367.

It is an arithmetic number, because the mean of its divisors is an integer number (1386504).

Almost surely, 2^25011012 is an apocalyptic number.

It is an amenable number.

25011012 is an abundant number, since it is smaller than the sum of its proper divisors (41541180).

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

25011012 is a wasteful number, since it uses less digits than its factorization.

25011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 25011012 is about 5001.1010787626. The cubic root of 25011012 is about 292.4446998970. Note that the first 3 decimals are identical.

Adding to 25011012 its reverse (21011052), we get a palindrome (46022064).

The spelling of 25011012 in words is "twenty-five million, eleven thousand, twelve".