425529539 has 4 divisors (see below), whose sum is σ = 426540720. Its totient is φ = 424518360.

The previous prime is 425529523. The next prime is 425529551. The reversal of 425529539 is 935925524.

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 425529539 - 2⁴ = 425529523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425529539.

It is not an unprimeable number, because it can be changed into a prime (425529589) 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, 504959 + ... + 505800.

It is an arithmetic number, because the mean of its divisors is an integer number (106635180).

Almost surely, 2^425529539 is an apocalyptic number.

425529539 is a deficient number, since it is larger than the sum of its proper divisors (1011181).

425529539 is a wasteful number, since it uses less digits than its factorization.

425529539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011180.

The product of its digits is 486000, while the sum is 44.

The square root of 425529539 is about 20628.3673372373. The cubic root of 425529539 is about 752.1594292605.

The spelling of 425529539 in words is "four hundred twenty-five million, five hundred twenty-nine thousand, five hundred thirty-nine".