425751 has 4 divisors (see below), whose sum is σ = 567672. Its totient is φ = 283832.

The previous prime is 425713. The next prime is 425779. The reversal of 425751 is 157524.

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

It is a cyclic number.

It is not a de Polignac number, because 425751 - 2¹⁰ = 424727 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70956 + ... + 70961.

It is an arithmetic number, because the mean of its divisors is an integer number (141918).

2⁴²⁵⁷⁵¹ is an apocalyptic number.

425751 is a deficient number, since it is larger than the sum of its proper divisors (141921).

425751 is a wasteful number, since it uses less digits than its factorization.

425751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141920.

The product of its digits is 1400, while the sum is 24.

The square root of 425751 is about 652.4959769991. The cubic root of 425751 is about 75.2289890310.

It can be divided in two parts, 425 and 751, that added together give a triangular number (1176 = T₄₈).

The spelling of 425751 in words is "four hundred twenty-five thousand, seven hundred fifty-one".