671060431 has 4 divisors (see below), whose sum is σ = 710534592. Its totient is φ = 631586272.

The previous prime is 671060417. The next prime is 671060471. The reversal of 671060431 is 134060176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 671060431 - 2¹¹ = 671058383 is a prime.

It is a super-2 number, since 2×671060431² = 900644204107811522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671060431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671060471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19737055 + ... + 19737088.

It is an arithmetic number, because the mean of its divisors is an integer number (177633648).

Almost surely, 2^671060431 is an apocalyptic number.

671060431 is a deficient number, since it is larger than the sum of its proper divisors (39474161).

671060431 is a wasteful number, since it uses less digits than its factorization.

671060431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39474160.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 671060431 is about 25904.8341241553. The cubic root of 671060431 is about 875.4954172965.

The spelling of 671060431 in words is "six hundred seventy-one million, sixty thousand, four hundred thirty-one".