426526261 has 4 divisors (see below), whose sum is σ = 487458592. Its totient is φ = 365593932.

The previous prime is 426526223. The next prime is 426526267. The reversal of 426526261 is 162625624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426526261 - 2¹³ = 426518069 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 (426526267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30466155 + ... + 30466168.

It is an arithmetic number, because the mean of its divisors is an integer number (121864648).

Almost surely, 2^426526261 is an apocalyptic number.

It is an amenable number.

426526261 is a deficient number, since it is larger than the sum of its proper divisors (60932331).

426526261 is an equidigital number, since it uses as much as digits as its factorization.

426526261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60932330.

The product of its digits is 34560, while the sum is 34.

The square root of 426526261 is about 20652.5122200666. The cubic root of 426526261 is about 752.7462348005.

The spelling of 426526261 in words is "four hundred twenty-six million, five hundred twenty-six thousand, two hundred sixty-one".