3124474621 has 2 divisors, whose sum is σ = 3124474622. Its totient is φ = 3124474620.

The previous prime is 3124474597. The next prime is 3124474651. The reversal of 3124474621 is 1264744213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115202596 + 9272025 = 55814^2 + 3045^2 .

It is an emirp because it is prime and its reverse (1264744213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3124474621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3124474651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562237310 + 1562237311.

It is an arithmetic number, because the mean of its divisors is an integer number (1562237311).

Almost surely, 2^3124474621 is an apocalyptic number.

It is an amenable number.

3124474621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3124474621 is an equidigital number, since it uses as much as digits as its factorization.

3124474621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 3124474621 is about 55897.0001073403. Note that the first 3 decimals coincide. The cubic root of 3124474621 is about 1461.9269329137.

The spelling of 3124474621 in words is "three billion, one hundred twenty-four million, four hundred seventy-four thousand, six hundred twenty-one".