425009229 has 4 divisors (see below), whose sum is σ = 566678976. Its totient is φ = 283339484.

The previous prime is 425009213. The next prime is 425009251. The reversal of 425009229 is 922900524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425009229 - 2⁴ = 425009213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425009229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425009329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70834869 + ... + 70834874.

It is an arithmetic number, because the mean of its divisors is an integer number (141669744).

Almost surely, 2^425009229 is an apocalyptic number.

It is an amenable number.

425009229 is a deficient number, since it is larger than the sum of its proper divisors (141669747).

425009229 is a wasteful number, since it uses less digits than its factorization.

425009229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141669746.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 425009229 is about 20615.7519630015. The cubic root of 425009229 is about 751.8527402582.

The spelling of 425009229 in words is "four hundred twenty-five million, nine thousand, two hundred twenty-nine".