1005213471 has 8 divisors (see below), whose sum is σ = 1383519744. Its totient is φ = 648524760.

The previous prime is 1005213467. The next prime is 1005213481. The reversal of 1005213471 is 1743125001.

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

It is not a de Polignac number, because 1005213471 - 2² = 1005213467 is a prime.

It is a super-3 number, since 3×1005213471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005213401) 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, 5404281 + ... + 5404466.

It is an arithmetic number, because the mean of its divisors is an integer number (172939968).

Almost surely, 2^1005213471 is an apocalyptic number.

1005213471 is a deficient number, since it is larger than the sum of its proper divisors (378306273).

1005213471 is a wasteful number, since it uses less digits than its factorization.

1005213471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10808781.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1005213471 is about 31705.1016557273. The cubic root of 1005213471 is about 1001.7348123524.

Adding to 1005213471 its reverse (1743125001), we get a palindrome (2748338472).

The spelling of 1005213471 in words is "one billion, five million, two hundred thirteen thousand, four hundred seventy-one".