2471947 has 2 divisors, whose sum is σ = 2471948. Its totient is φ = 2471946.

The previous prime is 2471939. The next prime is 2471951. The reversal of 2471947 is 7491742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2471947 - 2³ = 2471939 is a prime.

It is a super-2 number, since 2×2471947² = 12221043941618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2471927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235973 + 1235974.

It is an arithmetic number, because the mean of its divisors is an integer number (1235974).

2^2471947 is an apocalyptic number.

2471947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471947 is an equidigital number, since it uses as much as digits as its factorization.

2471947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 2471947 is about 1572.2426657485. The cubic root of 2471947 is about 135.2113197051.

The spelling of 2471947 in words is "two million, four hundred seventy-one thousand, nine hundred forty-seven".