3125117213 has 2 divisors, whose sum is σ = 3125117214. Its totient is φ = 3125117212.

The previous prime is 3125117201. The next prime is 3125117231. The reversal of 3125117213 is 3127115213.

Together with next prime (3125117231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2352444004 + 772673209 = 48502^2 + 27797^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125117213 - 2⁸ = 3125116957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125117243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562558606 + 1562558607.

It is an arithmetic number, because the mean of its divisors is an integer number (1562558607).

Almost surely, 2^3125117213 is an apocalyptic number.

It is an amenable number.

3125117213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125117213 is an equidigital number, since it uses as much as digits as its factorization.

3125117213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 3125117213 is about 55902.7478126076. The cubic root of 3125117213 is about 1462.0271479654.

The spelling of 3125117213 in words is "three billion, one hundred twenty-five million, one hundred seventeen thousand, two hundred thirteen".