429163425 has 36 divisors (see below), whose sum is σ = 773639100. Its totient is φ = 227410560.

The previous prime is 429163409. The next prime is 429163477. The reversal of 429163425 is 524361924.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2782224 + 426381201 = 1668^2 + 20649^2 .

It is not a de Polignac number, because 429163425 - 2⁴ = 429163409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 429163425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29251 + ... + 41399.

It is an arithmetic number, because the mean of its divisors is an integer number (21489975).

Almost surely, 2^429163425 is an apocalyptic number.

429163425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

429163425 is a deficient number, since it is larger than the sum of its proper divisors (344475675).

429163425 is a wasteful number, since it uses less digits than its factorization.

429163425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12322 (or 12314 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 429163425 is about 20716.2599182381. The cubic root of 429163425 is about 754.2944302263.

The spelling of 429163425 in words is "four hundred twenty-nine million, one hundred sixty-three thousand, four hundred twenty-five".