263625552 has 30 divisors (see below), whose sum is σ = 737785802. Its totient is φ = 87875136.

The previous prime is 263625493. The next prime is 263625577. The reversal of 263625552 is 255526362.

263625552 is a `hidden beast` number, since 26 + 3 + 625 + 5 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 176464656 + 87160896 = 13284^2 + 9336^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 915223 + ... + 915510.

Almost surely, 2^263625552 is an apocalyptic number.

It is an amenable number.

263625552 is an abundant number, since it is smaller than the sum of its proper divisors (474160250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263625552 is a wasteful number, since it uses less digits than its factorization.

263625552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830747 (or 1830738 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 263625552 is about 16236.5498798236. The cubic root of 263625552 is about 641.2034258207.

The spelling of 263625552 in words is "two hundred sixty-three million, six hundred twenty-five thousand, five hundred fifty-two".