25001064 has 48 divisors (see below), whose sum is σ = 73869120. Its totient is φ = 7575840.

The previous prime is 25001059. The next prime is 25001077. The reversal of 25001064 is 46010052.

It is a happy number.

It is a super-2 number, since 2×25001064² = 1250106402264192, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14992 + ... + 16575.

It is an arithmetic number, because the mean of its divisors is an integer number (1538940).

Almost surely, 2^25001064 is an apocalyptic number.

25001064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25001064 is an abundant number, since it is smaller than the sum of its proper divisors (48868056).

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

25001064 is a wasteful number, since it uses less digits than its factorization.

25001064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31590 (or 31583 counting only the distinct ones).

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

The square root of 25001064 is about 5000.1063988679. The cubic root of 25001064 is about 292.4059219689.

The spelling of 25001064 in words is "twenty-five million, one thousand, sixty-four".