263152734 has 16 divisors (see below), whose sum is σ = 566790672. Its totient is φ = 80970048.

The previous prime is 263152723. The next prime is 263152739. The reversal of 263152734 is 437251362.

It is a super-2 number, since 2×263152734² = 138498722823349512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 263152695 and 263152704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263152739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686799 + ... + 1686954.

It is an arithmetic number, because the mean of its divisors is an integer number (35424417).

Almost surely, 2^263152734 is an apocalyptic number.

263152734 is an abundant number, since it is smaller than the sum of its proper divisors (303637938).

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

263152734 is a wasteful number, since it uses less digits than its factorization.

263152734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373771.

The product of its digits is 30240, while the sum is 33.

The square root of 263152734 is about 16221.9830477041. The cubic root of 263152734 is about 640.8198591182.

The spelling of 263152734 in words is "two hundred sixty-three million, one hundred fifty-two thousand, seven hundred thirty-four".