425528973 has 12 divisors (see below), whose sum is σ = 614843008. Its totient is φ = 283598280.

The previous prime is 425528933. The next prime is 425528981. The reversal of 425528973 is 379825524.

425528973 is a `hidden beast` number, since 4 + 2 + 552 + 8 + 97 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-425528973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425528933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38586 + ... + 48372.

Almost surely, 2^425528973 is an apocalyptic number.

It is an amenable number.

425528973 is a deficient number, since it is larger than the sum of its proper divisors (189314035).

425528973 is a wasteful number, since it uses less digits than its factorization.

425528973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624 (or 14621 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 425528973 is about 20628.3536182605. The cubic root of 425528973 is about 752.1590957761.

The spelling of 425528973 in words is "four hundred twenty-five million, five hundred twenty-eight thousand, nine hundred seventy-three".