655001061 has 32 divisors (see below), whose sum is σ = 1070641152. Its totient is φ = 350496960.

The previous prime is 655001033. The next prime is 655001089. The reversal of 655001061 is 160100556.

It is an interprime number because it is at equal distance from previous prime (655001033) and next prime (655001089).

It is not a de Polignac number, because 655001061 - 2⁵ = 655001029 is a prime.

It is a super-2 number, since 2×655001061² = 858052779822251442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655001461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23325 + ... + 43058.

It is an arithmetic number, because the mean of its divisors is an integer number (33457536).

Almost surely, 2^655001061 is an apocalyptic number.

It is an amenable number.

655001061 is a deficient number, since it is larger than the sum of its proper divisors (415640091).

655001061 is a wasteful number, since it uses less digits than its factorization.

655001061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66433.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 655001061 is about 25592.9885124813. The cubic root of 655001061 is about 868.4550291927.

The spelling of 655001061 in words is "six hundred fifty-five million, one thousand, sixty-one".