3135661425 has 72 divisors (see below), whose sum is σ = 6073861248. Its totient is φ = 1537200000.

The previous prime is 3135661387. The next prime is 3135661433. The reversal of 3135661425 is 5241665313.

3135661425 is a `hidden beast` number, since 3 + 1 + 35 + 6 + 614 + 2 + 5 = 666.

It is not a de Polignac number, because 3135661425 - 2¹⁴ = 3135645041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3135661425.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 732040 + ... + 736310.

It is an arithmetic number, because the mean of its divisors is an integer number (84359184).

Almost surely, 2^3135661425 is an apocalyptic number.

It is an amenable number.

3135661425 is a deficient number, since it is larger than the sum of its proper divisors (2938199823).

3135661425 is a wasteful number, since it uses less digits than its factorization.

3135661425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4543 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3135661425 is about 55996.9769273306. The cubic root of 3135661425 is about 1463.6696056920.

The spelling of 3135661425 in words is "three billion, one hundred thirty-five million, six hundred sixty-one thousand, four hundred twenty-five".