425335729 has 48 divisors (see below), whose sum is σ = 567665280. Its totient is φ = 314979840.

The previous prime is 425335727. The next prime is 425335739. The reversal of 425335729 is 927533524.

It is not a de Polignac number, because 425335729 - 2¹ = 425335727 is a prime.

It is a super-2 number, since 2×425335729² = 361820964727922882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425335691 and 425335700.

It is not an unprimeable number, because it can be changed into a prime (425335727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1367484 + ... + 1367794.

It is an arithmetic number, because the mean of its divisors is an integer number (11826360).

Almost surely, 2^425335729 is an apocalyptic number.

425335729 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

425335729 is a deficient number, since it is larger than the sum of its proper divisors (142329551).

425335729 is a wasteful number, since it uses less digits than its factorization.

425335729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 463 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 425335729 is about 20623.6691449412. The cubic root of 425335729 is about 752.0452200672.

The spelling of 425335729 in words is "four hundred twenty-five million, three hundred thirty-five thousand, seven hundred twenty-nine".