25650465 has 16 divisors (see below), whose sum is σ = 41449536. Its totient is φ = 13544000.

The previous prime is 25650419. The next prime is 25650473. The reversal of 25650465 is 56405652.

It is a happy number.

It is not a de Polignac number, because 25650465 - 2¹⁰ = 25649441 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6951 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (2590596).

Almost surely, 2^25650465 is an apocalyptic number.

It is an amenable number.

25650465 is a deficient number, since it is larger than the sum of its proper divisors (15799071).

25650465 is a wasteful number, since it uses less digits than its factorization.

25650465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 25650465 is about 5064.6288116702. The cubic root of 25650465 is about 294.9160538697.

It can be divided in two parts, 256 and 50465, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 25650465 in words is "twenty-five million, six hundred fifty thousand, four hundred sixty-five".