253000472481 has 12 divisors (see below), whose sum is σ = 370451225508. Its totient is φ = 166356474624.

The previous prime is 253000472437. The next prime is 253000472497. The reversal of 253000472481 is 184274000352.

It is a happy number.

253000472481 is a `hidden beast` number, since 2 + 530 + 0 + 0 + 47 + 2 + 4 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 106200381456 + 146800091025 = 325884^2 + 383145^2 .

It is not a de Polignac number, because 253000472481 - 2¹⁰ = 253000471457 is a prime.

It is a super-2 number, since 2×253000472481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253000472401) 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 11 ways as a sum of consecutive naturals, for example, 192541560 + ... + 192542873.

It is an arithmetic number, because the mean of its divisors is an integer number (30870935459).

Almost surely, 2^253000472481 is an apocalyptic number.

It is an amenable number.

253000472481 is a deficient number, since it is larger than the sum of its proper divisors (117450753027).

253000472481 is a wasteful number, since it uses less digits than its factorization.

253000472481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385084512 (or 385084509 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 253000472481 in words is "two hundred fifty-three billion, four hundred seventy-two thousand, four hundred eighty-one".