3099705625 has 45 divisors (see below), whose sum is σ = 4146290731. Its totient is φ = 2316080000.

The previous prime is 3099705613. The next prime is 3099705641. The reversal of 3099705625 is 5265079903.

It is a happy number.

The square root of 3099705625 is 55675.

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

It can be written as a sum of positive squares in 7 ways, for example, as 1513754649 + 1585950976 = 38907^2 + 39824^2 .

It is not a de Polignac number, because 3099705625 - 2²¹ = 3097608473 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 23661810 + ... + 23661940.

Almost surely, 2^3099705625 is an apocalyptic number.

3099705625 is the 55675-th square number.

3099705625 is the 27838-th centered octagonal number.

It is an amenable number.

3099705625 is a deficient number, since it is larger than the sum of its proper divisors (1046585106).

3099705625 is an frugal number, since it uses more digits than its factorization.

3099705625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 46.

The cubic root of 3099705625 is about 1458.0535808055.

The spelling of 3099705625 in words is "three billion, ninety-nine million, seven hundred five thousand, six hundred twenty-five".