3146649025 has 27 divisors (see below), whose sum is σ = 4229976009. Its totient is φ = 2320986720.

The previous prime is 3146649019. The next prime is 3146649029. The reversal of 3146649025 is 5209466413.

The square root of 3146649025 is 56095.

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

3146649025 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 811053441 + 2335595584 = 28479^2 + 48328^2 .

It is not a de Polignac number, because 3146649025 - 2⁵ = 3146648993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3146649029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3645744 + ... + 3646606.

Almost surely, 2^3146649025 is an apocalyptic number.

3146649025 is the 56095-th square number.

3146649025 is the 28048-th centered octagonal number.

It is an amenable number.

3146649025 is a deficient number, since it is larger than the sum of its proper divisors (1083326984).

3146649025 is an frugal number, since it uses more digits than its factorization.

3146649025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The cubic root of 3146649025 is about 1465.3772165192.

The spelling of 3146649025 in words is "three billion, one hundred forty-six million, six hundred forty-nine thousand, twenty-five".