2506471 has 8 divisors (see below), whose sum is σ = 2853504. Its totient is φ = 2179320.

The previous prime is 2506459. The next prime is 2506481. The reversal of 2506471 is 1746052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2506471 is a prime.

It is a super-3 number, since 3×2506471³ = 47239936724319375333, which contains 333 as substring.

It is a Duffinian number.

2506471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4701 + ... + 5206.

It is an arithmetic number, because the mean of its divisors is an integer number (356688).

2^2506471 is an apocalyptic number.

2506471 is a deficient number, since it is larger than the sum of its proper divisors (347033).

2506471 is a wasteful number, since it uses less digits than its factorization.

2506471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2506471 is about 1583.1838175019. The cubic root of 2506471 is about 135.8378799169.

The spelling of 2506471 in words is "two million, five hundred six thousand, four hundred seventy-one".