3125043045 has 32 divisors (see below), whose sum is σ = 5747212800. Its totient is φ = 1609215552.

The previous prime is 3125042909. The next prime is 3125043049. The reversal of 3125043045 is 5403405213.

It is not a de Polignac number, because 3125043045 - 2¹² = 3125038949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125043049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395197 + ... + 403026.

It is an arithmetic number, because the mean of its divisors is an integer number (179600400).

Almost surely, 2^3125043045 is an apocalyptic number.

It is an amenable number.

3125043045 is a deficient number, since it is larger than the sum of its proper divisors (2622169755).

3125043045 is a wasteful number, since it uses less digits than its factorization.

3125043045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798266 (or 798260 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3125043045 is about 55902.0844423533. The cubic root of 3125043045 is about 1462.0155818406.

Adding to 3125043045 its reverse (5403405213), we get a palindrome (8528448258).

The spelling of 3125043045 in words is "three billion, one hundred twenty-five million, forty-three thousand, forty-five".