3125242545 has 8 divisors (see below), whose sum is σ = 5000388096. Its totient is φ = 1666796016.

The previous prime is 3125242541. The next prime is 3125242577. The reversal of 3125242545 is 5452425213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3125242545 - 2² = 3125242541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3125242541) 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 7 ways as a sum of consecutive naturals, for example, 104174737 + ... + 104174766.

It is an arithmetic number, because the mean of its divisors is an integer number (625048512).

Almost surely, 2^3125242545 is an apocalyptic number.

It is an amenable number.

3125242545 is a deficient number, since it is larger than the sum of its proper divisors (1875145551).

3125242545 is a wasteful number, since it uses less digits than its factorization.

3125242545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208349511.

The product of its digits is 48000, while the sum is 33.

The square root of 3125242545 is about 55903.8687838328. The cubic root of 3125242545 is about 1462.0466924416.

Adding to 3125242545 its reverse (5452425213), we get a palindrome (8577667758).

The spelling of 3125242545 in words is "three billion, one hundred twenty-five million, two hundred forty-two thousand, five hundred forty-five".