254651041061 has 4 divisors (see below), whose sum is σ = 255092377932. Its totient is φ = 254209704192.

The previous prime is 254651041027. The next prime is 254651041081. The reversal of 254651041061 is 160140156452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 149058538561 + 105592502500 = 386081^2 + 324950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254651041061 is a prime.

It is a super-2 number, since 2×254651041061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254651041081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220667570 + ... + 220668723.

It is an arithmetic number, because the mean of its divisors is an integer number (63773094483).

Almost surely, 2^254651041061 is an apocalyptic number.

It is an amenable number.

254651041061 is a deficient number, since it is larger than the sum of its proper divisors (441336871).

254651041061 is an equidigital number, since it uses as much as digits as its factorization.

254651041061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441336870.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 254651041061 in words is "two hundred fifty-four billion, six hundred fifty-one million, forty-one thousand, sixty-one".