3185493192025 has 9 divisors (see below), whose sum is σ = 3950022623871. Its totient is φ = 2548387414440.

The previous prime is 3185493192019. The next prime is 3185493192029. The reversal of 3185493192025 is 5202913945813.

It is a happy number.

The square root of 3185493192025 is 1784795.

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., 1146777549129 + 2038715642896 = 1070877^2 + 1427836^2 .

It is not a de Polignac number, because 3185493192025 - 2⁷ = 3185493191897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3185493192029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8745496 + ... + 9102454.

Almost surely, 2^{3185493192025} is an apocalyptic number.

3185493192025 is the 1784795-th square number.

3185493192025 is the 892398-th centered octagonal number.

It is an amenable number.

3185493192025 is a deficient number, since it is larger than the sum of its proper divisors (764529431846).

3185493192025 is an frugal number, since it uses more digits than its factorization.

3185493192025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713928 (or 356964 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 3185493192025 in words is "three trillion, one hundred eighty-five billion, four hundred ninety-three million, one hundred ninety-two thousand, twenty-five".