263474057 has 24 divisors (see below), whose sum is σ = 335841600. Its totient is φ = 200806560.

The previous prime is 263474047. The next prime is 263474069. The reversal of 263474057 is 750474362.

It is not a de Polignac number, because 263474057 - 2¹⁴ = 263457673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263474057.

It is not an unprimeable number, because it can be changed into a prime (263474017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169319 + ... + 170867.

It is an arithmetic number, because the mean of its divisors is an integer number (13993400).

Almost surely, 2^263474057 is an apocalyptic number.

It is an amenable number.

263474057 is a deficient number, since it is larger than the sum of its proper divisors (72367543).

263474057 is a wasteful number, since it uses less digits than its factorization.

263474057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 263474057 is about 16231.8839633605. The cubic root of 263474057 is about 641.0805776806.

The spelling of 263474057 in words is "two hundred sixty-three million, four hundred seventy-four thousand, fifty-seven".