259954947 has 48 divisors (see below), whose sum is σ = 467527680. Its totient is φ = 142070544.

The previous prime is 259954913. The next prime is 259954949. The reversal of 259954947 is 749459952.

259954947 is a `hidden beast` number, since 2 + 5 + 99 + 549 + 4 + 7 = 666.

It is not a de Polignac number, because 259954947 - 2⁷ = 259954819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 259954893 and 259954902.

It is not an unprimeable number, because it can be changed into a prime (259954949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26158 + ... + 34700.

It is an arithmetic number, because the mean of its divisors is an integer number (9740160).

Almost surely, 2^259954947 is an apocalyptic number.

259954947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

259954947 is a deficient number, since it is larger than the sum of its proper divisors (207572733).

259954947 is a wasteful number, since it uses less digits than its factorization.

259954947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589 (or 8576 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 259954947 is about 16123.1184018477. The cubic root of 259954947 is about 638.2135622479.

The spelling of 259954947 in words is "two hundred fifty-nine million, nine hundred fifty-four thousand, nine hundred forty-seven".