671058245 has 64 divisors (see below), whose sum is σ = 1017999360. Its totient is φ = 417312000.

The previous prime is 671058229. The next prime is 671058253. The reversal of 671058245 is 542850176.

It is not a de Polignac number, because 671058245 - 2⁴ = 671058229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671058199 and 671058208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 637970 + ... + 639020.

It is an arithmetic number, because the mean of its divisors is an integer number (15906240).

Almost surely, 2^671058245 is an apocalyptic number.

671058245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

671058245 is a deficient number, since it is larger than the sum of its proper divisors (346941115).

671058245 is a wasteful number, since it uses less digits than its factorization.

671058245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 671058245 is about 25904.7919312238. The cubic root of 671058245 is about 875.4944666444.

The spelling of 671058245 in words is "six hundred seventy-one million, fifty-eight thousand, two hundred forty-five".