265474947 has 18 divisors (see below), whose sum is σ = 370932492. Its totient is φ = 168874464.

The previous prime is 265474943. The next prime is 265474969. The reversal of 265474947 is 749474562.

It is not a de Polignac number, because 265474947 - 2² = 265474943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265474896 and 265474905.

It is not an unprimeable number, because it can be changed into a prime (265474943) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 648879 + ... + 649287.

Almost surely, 2^265474947 is an apocalyptic number.

265474947 is a deficient number, since it is larger than the sum of its proper divisors (105457545).

265474947 is an frugal number, since it uses more digits than its factorization.

265474947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 435 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 265474947 is about 16293.4019468004. The cubic root of 265474947 is about 642.6993306241.

Multiplying 265474947 by its sum of digits (48), we get a square (12742797456 = 112884²).

The spelling of 265474947 in words is "two hundred sixty-five million, four hundred seventy-four thousand, nine hundred forty-seven".