671007051 has 64 divisors (see below), whose sum is σ = 1236695040. Its totient is φ = 353272320.

The previous prime is 671007049. The next prime is 671007053. The reversal of 671007051 is 150700176.

It is an interprime number because it is at equal distance from previous prime (671007049) and next prime (671007053).

It is not a de Polignac number, because 671007051 - 2¹ = 671007049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (671007053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60526 + ... + 70748.

It is an arithmetic number, because the mean of its divisors is an integer number (19323360).

Almost surely, 2^671007051 is an apocalyptic number.

671007051 is a deficient number, since it is larger than the sum of its proper divisors (565687989).

671007051 is a wasteful number, since it uses less digits than its factorization.

671007051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273 (or 10267 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 671007051 is about 25903.8037940377. The cubic root of 671007051 is about 875.4722027034.

The spelling of 671007051 in words is "six hundred seventy-one million, seven thousand, fifty-one".