3658435225 has 9 divisors (see below), whose sum is σ = 4536834717. Its totient is φ = 2926506240.

The previous prime is 3658435171. The next prime is 3658435283. The reversal of 3658435225 is 5225348563.

The square root of 3658435225 is 60485.

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

3658435225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1736138889 + 1922296336 = 41667^2 + 43844^2 .

It is not a de Polignac number, because 3658435225 - 2¹⁵ = 3658402457 is a prime.

It is a Duffinian number.

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, 296377 + ... + 308473.

Almost surely, 2^3658435225 is an apocalyptic number.

3658435225 is the 60485-th square number.

3658435225 is the 30243-rd centered octagonal number.

It is an amenable number.

3658435225 is a deficient number, since it is larger than the sum of its proper divisors (878399492).

3658435225 is an frugal number, since it uses more digits than its factorization.

3658435225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24204 (or 12102 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The cubic root of 3658435225 is about 1540.8668904850.

The spelling of 3658435225 in words is "three billion, six hundred fifty-eight million, four hundred thirty-five thousand, two hundred twenty-five".