526320263 has 16 divisors (see below), whose sum is σ = 632641536. Its totient is φ = 428332320.

The previous prime is 526320253. The next prime is 526320271. The reversal of 526320263 is 362023625.

It is a cyclic number.

It is not a de Polignac number, because 526320263 - 2¹⁰ = 526319239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526320253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11381 + ... + 34382.

It is an arithmetic number, because the mean of its divisors is an integer number (39540096).

Almost surely, 2^526320263 is an apocalyptic number.

526320263 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

526320263 is a deficient number, since it is larger than the sum of its proper divisors (106321273).

526320263 is a wasteful number, since it uses less digits than its factorization.

526320263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45854.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 526320263 is about 22941.6708850947. The cubic root of 526320263 is about 807.3899950791.

Adding to 526320263 its reverse (362023625), we get a palindrome (888343888).

The spelling of 526320263 in words is "five hundred twenty-six million, three hundred twenty thousand, two hundred sixty-three".