1146561625 has 32 divisors (see below), whose sum is σ = 1565231616. Its totient is φ = 831600000.

The previous prime is 1146561623. The next prime is 1146561641. The reversal of 1146561625 is 5261656411.

It is not a de Polignac number, because 1146561625 - 2¹ = 1146561623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146561623) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 635725 + ... + 637525.

It is an arithmetic number, because the mean of its divisors is an integer number (48913488).

Almost surely, 2^1146561625 is an apocalyptic number.

It is an amenable number.

1146561625 is a deficient number, since it is larger than the sum of its proper divisors (418669991).

1146561625 is a wasteful number, since it uses less digits than its factorization.

1146561625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2280 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 1146561625 is about 33860.9158913341. The cubic root of 1146561625 is about 1046.6443515038.

It can be divided in two parts, 114656 and 1625, that added together give a square (116281 = 341²).

The spelling of 1146561625 in words is "one billion, one hundred forty-six million, five hundred sixty-one thousand, six hundred twenty-five".