25262861 has 8 divisors (see below), whose sum is σ = 28084224. Its totient is φ = 22566960.

The previous prime is 25262803. The next prime is 25262863. The reversal of 25262861 is 16826252.

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

It is not a de Polignac number, because 25262861 - 2¹⁰ = 25261837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25262863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30941 + ... + 31746.

It is an arithmetic number, because the mean of its divisors is an integer number (3510528).

Almost surely, 2^25262861 is an apocalyptic number.

It is an amenable number.

25262861 is a deficient number, since it is larger than the sum of its proper divisors (2821363).

25262861 is a wasteful number, since it uses less digits than its factorization.

25262861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62731.

The product of its digits is 11520, while the sum is 32.

The square root of 25262861 is about 5026.2173649774. The cubic root of 25262861 is about 293.4230165113.

The spelling of 25262861 in words is "twenty-five million, two hundred sixty-two thousand, eight hundred sixty-one".