4525154272081 has 9 divisors (see below), whose sum is σ = 4650842078001. Its totient is φ = 4402776224592.

The previous prime is 4525154272049. The next prime is 4525154272139. The reversal of 4525154272081 is 1802724515254.

The square root of 4525154272081 is 2127241.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 566646112081 + 3958508160000 = 752759^2 + 1989600^2 .

It is not a de Polignac number, because 4525154272081 - 2⁵ = 4525154272049 is a prime.

It is a super-2 number, since 2×4525154272081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4525154272981) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78679171 + ... + 78736663.

It is an arithmetic number, because the mean of its divisors is an integer number (516760230889).

Almost surely, 2^{4525154272081} is an apocalyptic number.

4525154272081 is the 2127241-st square number.

4525154272081 is the 1063621-st centered octagonal number.

It is an amenable number.

4525154272081 is a deficient number, since it is larger than the sum of its proper divisors (125687805920).

4525154272081 is an frugal number, since it uses more digits than its factorization.

4525154272081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115060 (or 57530 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 46.

The spelling of 4525154272081 in words is "four trillion, five hundred twenty-five billion, one hundred fifty-four million, two hundred seventy-two thousand, eighty-one".