426454261 has 2 divisors, whose sum is σ = 426454262. Its totient is φ = 426454260.

The previous prime is 426454253. The next prime is 426454279. The reversal of 426454261 is 162454624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390813361 + 35640900 = 19769^2 + 5970^2 .

It is a cyclic number.

It is not a de Polignac number, because 426454261 - 2³ = 426454253 is a prime.

It is a super-2 number, since 2×426454261² = 363726473450112242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426454361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213227130 + 213227131.

It is an arithmetic number, because the mean of its divisors is an integer number (213227131).

Almost surely, 2^426454261 is an apocalyptic number.

It is an amenable number.

426454261 is a deficient number, since it is larger than the sum of its proper divisors (1).

426454261 is an equidigital number, since it uses as much as digits as its factorization.

426454261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 34.

The square root of 426454261 is about 20650.7690171577. The cubic root of 426454261 is about 752.7038765030.

The spelling of 426454261 in words is "four hundred twenty-six million, four hundred fifty-four thousand, two hundred sixty-one".