25835069 has 4 divisors (see below), whose sum is σ = 27822396. Its totient is φ = 23847744.

The previous prime is 25835063. The next prime is 25835083. The reversal of 25835069 is 96053852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 16605625 = 3038^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 25835069 - 2¹⁶ = 25769533 is a prime.

It is a super-2 number, since 2×25835069² = 1334901580469522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25835063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 993644 + ... + 993669.

It is an arithmetic number, because the mean of its divisors is an integer number (6955599).

Almost surely, 2^25835069 is an apocalyptic number.

It is an amenable number.

25835069 is a deficient number, since it is larger than the sum of its proper divisors (1987327).

25835069 is a wasteful number, since it uses less digits than its factorization.

25835069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987326.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25835069 is about 5082.8209687141. The cubic root of 25835069 is about 295.6218577946.

The spelling of 25835069 in words is "twenty-five million, eight hundred thirty-five thousand, sixty-nine".