430990625 has 36 divisors (see below), whose sum is σ = 585829692. Its totient is φ = 315180000.

The previous prime is 430990603. The next prime is 430990627. The reversal of 430990625 is 526099034.

It can be written as a sum of positive squares in 6 ways, for example, as 407555344 + 23435281 = 20188^2 + 4841^2 .

It is not a de Polignac number, because 430990625 - 2⁶ = 430990561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430990627) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4184324 + ... + 4184426.

It is an arithmetic number, because the mean of its divisors is an integer number (16273047).

Almost surely, 2^430990625 is an apocalyptic number.

It is an amenable number.

430990625 is a deficient number, since it is larger than the sum of its proper divisors (154839067).

430990625 is an frugal number, since it uses more digits than its factorization.

430990625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 430990625 is about 20760.3137018688. The cubic root of 430990625 is about 755.3634055979.

The spelling of 430990625 in words is "four hundred thirty million, nine hundred ninety thousand, six hundred twenty-five".