671201534 has 24 divisors (see below), whose sum is σ = 1058998248. Its totient is φ = 318880800.

The previous prime is 671201507. The next prime is 671201551. The reversal of 671201534 is 435102176.

It is a super-2 number, since 2×671201534² = 901022998487906312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671201497 and 671201506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114884 + ... + 120584.

It is an arithmetic number, because the mean of its divisors is an integer number (44124927).

Almost surely, 2^671201534 is an apocalyptic number.

671201534 is a deficient number, since it is larger than the sum of its proper divisors (387796714).

671201534 is a wasteful number, since it uses less digits than its factorization.

671201534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820 (or 5783 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 671201534 is about 25907.5574688159. The cubic root of 671201534 is about 875.5567760886.

The spelling of 671201534 in words is "six hundred seventy-one million, two hundred one thousand, five hundred thirty-four".