425252769 has 16 divisors (see below), whose sum is σ = 577935360. Its totient is φ = 278087040.

The previous prime is 425252767. The next prime is 425252791. The reversal of 425252769 is 967252524.

It is not a de Polignac number, because 425252769 - 2¹ = 425252767 is a prime.

It is a super-2 number, since 2×425252769² = 361679835084334722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425252769.

It is not an unprimeable number, because it can be changed into a prime (425252767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27639 + ... + 40179.

It is an arithmetic number, because the mean of its divisors is an integer number (36120960).

Almost surely, 2^425252769 is an apocalyptic number.

It is an amenable number.

425252769 is a deficient number, since it is larger than the sum of its proper divisors (152682591).

425252769 is a wasteful number, since it uses less digits than its factorization.

425252769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760.

The product of its digits is 302400, while the sum is 42.

The square root of 425252769 is about 20621.6577655629. The cubic root of 425252769 is about 751.9963224366.

The spelling of 425252769 in words is "four hundred twenty-five million, two hundred fifty-two thousand, seven hundred sixty-nine".