671020552 has 8 divisors (see below), whose sum is σ = 1258163550. Its totient is φ = 335510272.

The previous prime is 671020523. The next prime is 671020577. The reversal of 671020552 is 255020176.

It can be written as a sum of positive squares in only one way, i.e., 638370756 + 32649796 = 25266^2 + 5714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 671020552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41938777 + ... + 41938792.

Almost surely, 2^671020552 is an apocalyptic number.

It is an amenable number.

671020552 is a deficient number, since it is larger than the sum of its proper divisors (587142998).

671020552 is a wasteful number, since it uses less digits than its factorization.

671020552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83877575 (or 83877571 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 671020552 is about 25904.0643915197. The cubic root of 671020552 is about 875.4780743113.

The spelling of 671020552 in words is "six hundred seventy-one million, twenty thousand, five hundred fifty-two".