653887061 has 8 divisors (see below), whose sum is σ = 684228864. Its totient is φ = 624123360.

The previous prime is 653887027. The next prime is 653887063. The reversal of 653887061 is 160788356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653887061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653887063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142211 + ... + 146736.

It is an arithmetic number, because the mean of its divisors is an integer number (85528608).

Almost surely, 2^653887061 is an apocalyptic number.

It is an amenable number.

653887061 is a deficient number, since it is larger than the sum of its proper divisors (30341803).

653887061 is a wasteful number, since it uses less digits than its factorization.

653887061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289051.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 653887061 is about 25571.2154775638. The cubic root of 653887061 is about 867.9624051086.

The spelling of 653887061 in words is "six hundred fifty-three million, eight hundred eighty-seven thousand, sixty-one".