2471389 has 2 divisors, whose sum is σ = 2471390. Its totient is φ = 2471388.

The previous prime is 2471383. The next prime is 2471393. The reversal of 2471389 is 9831742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 412164 = 1435^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2471389 - 2⁹ = 2470877 is a prime.

It is a super-2 number, since 2×2471389² = 12215527178642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235694 + 1235695.

It is an arithmetic number, because the mean of its divisors is an integer number (1235695).

2^2471389 is an apocalyptic number.

It is an amenable number.

2471389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471389 is an equidigital number, since it uses as much as digits as its factorization.

2471389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 2471389 is about 1572.0652022101. The cubic root of 2471389 is about 135.2011450541.

The spelling of 2471389 in words is "two million, four hundred seventy-one thousand, three hundred eighty-nine".