4971651 has 8 divisors (see below), whose sum is σ = 6639360. Its totient is φ = 3309192.

The previous prime is 4971643. The next prime is 4971671. The reversal of 4971651 is 1561794.

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

It is not a de Polignac number, because 4971651 - 2³ = 4971643 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

4971651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4971671) 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, 2410 + ... + 3968.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^4971651 is an apocalyptic number.

4971651 is a deficient number, since it is larger than the sum of its proper divisors (1667709).

4971651 is a wasteful number, since it uses less digits than its factorization.

4971651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its digits is 7560, while the sum is 33.

The square root of 4971651 is about 2229.7199375706. The cubic root of 4971651 is about 170.6738079050.

The spelling of 4971651 in words is "four million, nine hundred seventy-one thousand, six hundred fifty-one".