3125124413 has 4 divisors (see below), whose sum is σ = 3131337888. Its totient is φ = 3118910940.

The previous prime is 3125124403. The next prime is 3125124437. The reversal of 3125124413 is 3144215213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3144215213 = 83 ⋅37882111.

It is a cyclic number.

It is not a de Polignac number, because 3125124413 - 2⁴ = 3125124397 is a prime.

It is a super-3 number, since 3×3125124413³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125124403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105983 + ... + 3106988.

It is an arithmetic number, because the mean of its divisors is an integer number (782834472).

Almost surely, 2^3125124413 is an apocalyptic number.

It is an amenable number.

3125124413 is a deficient number, since it is larger than the sum of its proper divisors (6213475).

3125124413 is an equidigital number, since it uses as much as digits as its factorization.

3125124413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213474.

The product of its digits is 2880, while the sum is 26.

The square root of 3125124413 is about 55902.8122101205. The cubic root of 3125124413 is about 1462.0282707593.

Adding to 3125124413 its reverse (3144215213), we get a palindrome (6269339626).

The spelling of 3125124413 in words is "three billion, one hundred twenty-five million, one hundred twenty-four thousand, four hundred thirteen".