425535205303431 has 24 divisors (see below), whose sum is σ = 615651733831680. Its totient is φ = 283233342546000.

The previous prime is 425535205303421. The next prime is 425535205303463. The reversal of 425535205303431 is 134303502535524.

425535205303431 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 3 + 5 + 205 + 3 + 0 + 3 + 431 = 666.

It is not a de Polignac number, because 425535205303431 - 2¹⁰ = 425535205302407 is a prime.

It is a super-2 number, since 2×425535205303431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425535205303421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227084410 + ... + 228950648.

It is an arithmetic number, because the mean of its divisors is an integer number (25652155576320).

Almost surely, 2^{425535205303431} is an apocalyptic number.

425535205303431 is a deficient number, since it is larger than the sum of its proper divisors (190116528528249).

425535205303431 is a wasteful number, since it uses less digits than its factorization.

425535205303431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907027 (or 1907024 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

Adding to 425535205303431 its reverse (134303502535524), we get a palindrome (559838707838955).

The spelling of 425535205303431 in words is "four hundred twenty-five trillion, five hundred thirty-five billion, two hundred five million, three hundred three thousand, four hundred thirty-one".