425535851 has 8 divisors (see below), whose sum is σ = 461568240. Its totient is φ = 389974752.

The previous prime is 425535839. The next prime is 425535889. The reversal of 425535851 is 158535524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425535851 - 2¹⁸ = 425273707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425535151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115940 + ... + 119553.

It is an arithmetic number, because the mean of its divisors is an integer number (57696030).

Almost surely, 2^425535851 is an apocalyptic number.

425535851 is a deficient number, since it is larger than the sum of its proper divisors (36032389).

425535851 is a wasteful number, since it uses less digits than its factorization.

425535851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235645.

The product of its digits is 120000, while the sum is 38.

The square root of 425535851 is about 20628.5203298734. The cubic root of 425535851 is about 752.1631482400.

The spelling of 425535851 in words is "four hundred twenty-five million, five hundred thirty-five thousand, eight hundred fifty-one".