2471139 has 24 divisors (see below), whose sum is σ = 3946800. Its totient is φ = 1477440.

The previous prime is 2471113. The next prime is 2471149. The reversal of 2471139 is 9311742.

It is not a de Polignac number, because 2471139 - 2⁵ = 2471107 is a prime.

It is a super-2 number, since 2×2471139² = 12213055914642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2471149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10677 + ... + 10905.

It is an arithmetic number, because the mean of its divisors is an integer number (164450).

2^2471139 is an apocalyptic number.

2471139 is a deficient number, since it is larger than the sum of its proper divisors (1475661).

2471139 is a wasteful number, since it uses less digits than its factorization.

2471139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 352 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2471139 is about 1571.9856869577. The cubic root of 2471139 is about 135.1965860219.

The spelling of 2471139 in words is "two million, four hundred seventy-one thousand, one hundred thirty-nine".