425372733 has 12 divisors (see below), whose sum is σ = 614707548. Its totient is φ = 283452480.

The previous prime is 425372719. The next prime is 425372737. The reversal of 425372733 is 337273524.

It can be written as a sum of positive squares in 2 ways, for example, as 137663289 + 287709444 = 11733^2 + 16962^2 .

It is a de Polignac number, because none of the positive numbers 2^k-425372733 is a prime.

It is a super-3 number, since 3×425372733³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425372737) 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, 12753 + ... + 31833.

It is an arithmetic number, because the mean of its divisors is an integer number (51225629).

Almost surely, 2^425372733 is an apocalyptic number.

It is an amenable number.

425372733 is a deficient number, since it is larger than the sum of its proper divisors (189334815).

425372733 is a wasteful number, since it uses less digits than its factorization.

425372733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21564 (or 21561 counting only the distinct ones).

The product of its digits is 105840, while the sum is 36.

The square root of 425372733 is about 20624.5662499845. The cubic root of 425372733 is about 752.0670286234.

The spelling of 425372733 in words is "four hundred twenty-five million, three hundred seventy-two thousand, seven hundred thirty-three".