4159605025 has 9 divisors (see below), whose sum is σ = 5158310131. Its totient is φ = 3327426040.

The previous prime is 4159605013. The next prime is 4159605041. The reversal of 4159605025 is 5205069514.

The square root of 4159605025 is 64495.

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

It can be written as a sum of positive squares in only one way, i.e., 1497457809 + 2662147216 = 38697^2 + 51596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4159605025 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, 316026 + ... + 328924.

Almost surely, 2^4159605025 is an apocalyptic number.

4159605025 is the 64495-th square number.

4159605025 is the 32248-th centered octagonal number.

It is an amenable number.

4159605025 is a deficient number, since it is larger than the sum of its proper divisors (998705106).

4159605025 is an frugal number, since it uses more digits than its factorization.

4159605025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25808 (or 12904 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The cubic root of 4159605025 is about 1608.2394016273.

The spelling of 4159605025 in words is "four billion, one hundred fifty-nine million, six hundred five thousand, twenty-five".