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9030025 = 526012
BaseRepresentation
bin100010011100…
…100110001001
3121222202212101
4202130212021
54302430100
6521313401
7136516414
oct42344611
917882771
109030025
115108434
123035861
131b42214
1412b0b7b
15bd586a
hex89c989

9030025 has 9 divisors (see below), whose sum is σ = 11215893. Its totient is φ = 7212000.

The previous prime is 9030019. The next prime is 9030031. The reversal of 9030025 is 5200309.

The square root of 9030025 is 3005.

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

It is an interprime number because it is at equal distance from previous prime (9030019) and next prime (9030031).

It can be written as a sum of positive squares in 4 ways, for example, as 480249 + 8549776 = 693^2 + 2924^2 .

It is not a de Polignac number, because 9030025 - 23 = 9030017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9029984 and 9030011.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14725 + ... + 15325.

Almost surely, 29030025 is an apocalyptic number.

9030025 is the 3005-th square number.

9030025 is the 1503-rd centered octagonal number.

It is an amenable number.

9030025 is a deficient number, since it is larger than the sum of its proper divisors (2185868).

9030025 is an frugal number, since it uses more digits than its factorization.

9030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The cubic root of 9030025 is about 208.2394385774.

The spelling of 9030025 in words is "nine million, thirty thousand, twenty-five".

Divisors: 1 5 25 601 3005 15025 361201 1806005 9030025