426540461 has 4 divisors (see below), whose sum is σ = 427095900. Its totient is φ = 425985024.

The previous prime is 426540431. The next prime is 426540467. The reversal of 426540461 is 164045624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52852900 + 373687561 = 7270^2 + 19331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426540461 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 (426540467) 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, 276566 + ... + 278103.

It is an arithmetic number, because the mean of its divisors is an integer number (106773975).

Almost surely, 2^426540461 is an apocalyptic number.

It is an amenable number.

426540461 is a deficient number, since it is larger than the sum of its proper divisors (555439).

426540461 is an equidigital number, since it uses as much as digits as its factorization.

426540461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555438.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 426540461 is about 20652.8560010474. The cubic root of 426540461 is about 752.7545882353.

The spelling of 426540461 in words is "four hundred twenty-six million, five hundred forty thousand, four hundred sixty-one".