1430730625 has 45 divisors (see below), whose sum is σ = 1920773437. Its totient is φ = 1065152000.

The previous prime is 1430730607. The next prime is 1430730649. The reversal of 1430730625 is 5260370341.

The square root of 1430730625 is 37825.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 1289025409 + 141705216 = 35903^2 + 11904^2 .

It is not a de Polignac number, because 1430730625 - 2¹¹ = 1430728577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 16075581 + ... + 16075669.

Almost surely, 2^1430730625 is an apocalyptic number.

1430730625 is the 37825-th square number.

1430730625 is the 18913-rd centered octagonal number.

It is an amenable number.

1430730625 is a deficient number, since it is larger than the sum of its proper divisors (490042812).

1430730625 is an frugal number, since it uses more digits than its factorization.

1430730625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The cubic root of 1430730625 is about 1126.8150125715.

The spelling of 1430730625 in words is "one billion, four hundred thirty million, seven hundred thirty thousand, six hundred twenty-five".