25906063 has 4 divisors (see below), whose sum is σ = 27269560. Its totient is φ = 24542568.

The previous prime is 25906061. The next prime is 25906093. The reversal of 25906063 is 36060952.

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

It is a cyclic number.

It is not a de Polignac number, because 25906063 - 2¹ = 25906061 is a prime.

It is a super-2 number, since 2×25906063² = 1342248200319938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25906061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681720 + ... + 681757.

It is an arithmetic number, because the mean of its divisors is an integer number (6817390).

Almost surely, 2^25906063 is an apocalyptic number.

25906063 is a deficient number, since it is larger than the sum of its proper divisors (1363497).

25906063 is a wasteful number, since it uses less digits than its factorization.

25906063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363496.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 25906063 is about 5089.7998978349. The cubic root of 25906063 is about 295.8923968209.

The spelling of 25906063 in words is "twenty-five million, nine hundred six thousand, sixty-three".