3125540625 has 48 divisors (see below), whose sum is σ = 5281411968. Its totient is φ = 1643760000.

The previous prime is 3125540609. The next prime is 3125540653. The reversal of 3125540625 is 5260455213.

It is not a de Polignac number, because 3125540625 - 2⁴ = 3125540609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682092 + ... + 686658.

It is an arithmetic number, because the mean of its divisors is an integer number (110029416).

Almost surely, 2^3125540625 is an apocalyptic number.

It is an amenable number.

3125540625 is a deficient number, since it is larger than the sum of its proper divisors (2155871343).

3125540625 is an frugal number, since it uses more digits than its factorization.

3125540625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668 (or 4648 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 3125540625 is about 55906.5347253789. The cubic root of 3125540625 is about 1462.0931734232.

Adding to 3125540625 its reverse (5260455213), we get a palindrome (8385995838).

The spelling of 3125540625 in words is "three billion, one hundred twenty-five million, five hundred forty thousand, six hundred twenty-five".