2471813 has 2 divisors, whose sum is σ = 2471814. Its totient is φ = 2471812.

The previous prime is 2471809. The next prime is 2471827. The reversal of 2471813 is 3181742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 889249 = 1258^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2471813 - 2² = 2471809 is a prime.

It is a super-2 number, since 2×2471813² = 12219719013938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235906 + 1235907.

It is an arithmetic number, because the mean of its divisors is an integer number (1235907).

2^2471813 is an apocalyptic number.

It is an amenable number.

2471813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471813 is an equidigital number, since it uses as much as digits as its factorization.

2471813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 2471813 is about 1572.2000508841. The cubic root of 2471813 is about 135.2088764698.

The spelling of 2471813 in words is "two million, four hundred seventy-one thousand, eight hundred thirteen".