25906463 has 12 divisors (see below), whose sum is σ = 28622664. Its totient is φ = 23430000.

The previous prime is 25906451. The next prime is 25906477. The reversal of 25906463 is 36460952.

It is not a de Polignac number, because 25906463 - 2⁸ = 25906207 is a prime.

It is a super-2 number, since 2×25906463² = 1342289650340738, 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 (25906423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29945 + ... + 30797.

It is an arithmetic number, because the mean of its divisors is an integer number (2385222).

Almost surely, 2^25906463 is an apocalyptic number.

25906463 is a deficient number, since it is larger than the sum of its proper divisors (2716201).

25906463 is a wasteful number, since it uses less digits than its factorization.

25906463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 25906463 is about 5089.8391919588. The cubic root of 25906463 is about 295.8939197122.

The spelling of 25906463 in words is "twenty-five million, nine hundred six thousand, four hundred sixty-three".