424317725 has 12 divisors (see below), whose sum is σ = 566627796. Its totient is φ = 313342080.

The previous prime is 424317721. The next prime is 424317727. The reversal of 424317725 is 527713424.

It can be written as a sum of positive squares in 6 ways, for example, as 2343961 + 421973764 = 1531^2 + 20542^2 .

It is not a de Polignac number, because 424317725 - 2² = 424317721 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424317721) 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, 652472 + ... + 653121.

It is an arithmetic number, because the mean of its divisors is an integer number (47218983).

Almost surely, 2^424317725 is an apocalyptic number.

It is an amenable number.

424317725 is a deficient number, since it is larger than the sum of its proper divisors (142310071).

424317725 is a wasteful number, since it uses less digits than its factorization.

424317725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305616 (or 1305611 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 424317725 is about 20598.9738822107. The cubic root of 424317725 is about 751.4447558610. Note that the first 3 decimals are identical.

The spelling of 424317725 in words is "four hundred twenty-four million, three hundred seventeen thousand, seven hundred twenty-five".