25001465 has 8 divisors (see below), whose sum is σ = 30193800. Its totient is φ = 19873152.

The previous prime is 25001461. The next prime is 25001477. The reversal of 25001465 is 56410052.

It can be written as a sum of positive squares in 4 ways, for example, as 1157776 + 23843689 = 1076^2 + 4883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25001465 - 2² = 25001461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25001465.

It is not an unprimeable number, because it can be changed into a prime (25001461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15140 + ... + 16709.

It is an arithmetic number, because the mean of its divisors is an integer number (3774225).

Almost surely, 2^25001465 is an apocalyptic number.

It is an amenable number.

25001465 is a deficient number, since it is larger than the sum of its proper divisors (5192335).

25001465 is a wasteful number, since it uses less digits than its factorization.

25001465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32011.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25001465 is about 5000.1464978538. The cubic root of 25001465 is about 292.4074852910.

The spelling of 25001465 in words is "twenty-five million, one thousand, four hundred sixty-five".