3125005213 has 4 divisors (see below), whose sum is σ = 3409096608. Its totient is φ = 2840913820.

The previous prime is 3125005211. The next prime is 3125005267.

3125005213 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 3125005213 - 2¹ = 3125005211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125005211) 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, 142045681 + ... + 142045702.

It is an arithmetic number, because the mean of its divisors is an integer number (852274152).

Almost surely, 2^3125005213 is an apocalyptic number.

It is an amenable number.

3125005213 is a deficient number, since it is larger than the sum of its proper divisors (284091395).

3125005213 is a wasteful number, since it uses less digits than its factorization.

3125005213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284091394.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3125005213 is about 55901.7460639648. The cubic root of 3125005213 is about 1462.0096820609.

It can be divided in two parts, 312500 and 5213, that added together give a palindrome (317713).

The spelling of 3125005213 in words is "three billion, one hundred twenty-five million, five thousand, two hundred thirteen".