26430263 has 6 divisors (see below), whose sum is σ = 26874432. Its totient is φ = 25993320.

The previous prime is 26430203. The next prime is 26430277. The reversal of 26430263 is 36203462.

It is not a de Polignac number, because 26430263 - 2¹⁰ = 26429239 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 (26430203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (4479072).

Almost surely, 2^26430263 is an apocalyptic number.

26430263 is a deficient number, since it is larger than the sum of its proper divisors (444169).

26430263 is an frugal number, since it uses more digits than its factorization.

26430263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225 (or 7164 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 26430263 is about 5141.0371521708. The cubic root of 26430263 is about 297.8748442201.

The spelling of 26430263 in words is "twenty-six million, four hundred thirty thousand, two hundred sixty-three".