426560251 has 16 divisors (see below), whose sum is σ = 469844928. Its totient is φ = 384854400.

The previous prime is 426560249. The next prime is 426560287. The reversal of 426560251 is 152065624.

It is a cyclic number.

It is not a de Polignac number, because 426560251 - 2¹ = 426560249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426560201) 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, 130821 + ... + 134041.

It is an arithmetic number, because the mean of its divisors is an integer number (29365308).

Almost surely, 2^426560251 is an apocalyptic number.

426560251 is a deficient number, since it is larger than the sum of its proper divisors (43284677).

426560251 is a wasteful number, since it uses less digits than its factorization.

426560251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 426560251 is about 20653.3351059823. The cubic root of 426560251 is about 752.7662297905.

It can be divided in two parts, 4265 and 60251, that added together give a square (64516 = 254²).

The spelling of 426560251 in words is "four hundred twenty-six million, five hundred sixty thousand, two hundred fifty-one".