25947243 has 64 divisors (see below), whose sum is σ = 47185920. Its totient is φ = 13771296.

The previous prime is 25947241. The next prime is 25947247. The reversal of 25947243 is 34274952.

It is not a de Polignac number, because 25947243 - 2¹ = 25947241 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25947198 and 25947207.

It is not an unprimeable number, because it can be changed into a prime (25947241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204246 + ... + 204372.

It is an arithmetic number, because the mean of its divisors is an integer number (737280).

Almost surely, 2^25947243 is an apocalyptic number.

25947243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25947243 is a deficient number, since it is larger than the sum of its proper divisors (21238677).

25947243 is a wasteful number, since it uses less digits than its factorization.

25947243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 25947243 is about 5093.8436371762. The cubic root of 25947243 is about 296.0490962815.

It can be divided in two parts, 25947 and 243, that multiplied together give a square (6305121 = 2511²).

The spelling of 25947243 in words is "twenty-five million, nine hundred forty-seven thousand, two hundred forty-three".