51671001 has 8 divisors (see below), whose sum is σ = 70360704. Its totient is φ = 33714320.

The previous prime is 51670991. The next prime is 51671021. The reversal of 51671001 is 10017615.

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

It is a cyclic number.

It is not a de Polignac number, because 51671001 - 2¹⁰ = 51669977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51671021) 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, 183090 + ... + 183371.

It is an arithmetic number, because the mean of its divisors is an integer number (8795088).

Almost surely, 2^51671001 is an apocalyptic number.

It is an amenable number.

51671001 is a deficient number, since it is larger than the sum of its proper divisors (18689703).

51671001 is a wasteful number, since it uses less digits than its factorization.

51671001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366511.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 51671001 is about 7188.2543778027. The cubic root of 51671001 is about 372.4622750559.

Adding to 51671001 its reverse (10017615), we get a palindrome (61688616).

It can be divided in two parts, 516 and 71001, that added together give a palindrome (71517).

The spelling of 51671001 in words is "fifty-one million, six hundred seventy-one thousand, one".