253132561747 has 32 divisors (see below), whose sum is σ = 297391590720. Its totient is φ = 213346897920.

The previous prime is 253132561741. The next prime is 253132561753. The reversal of 253132561747 is 747165231352.

It is an interprime number because it is at equal distance from previous prime (253132561741) and next prime (253132561753).

It is not a de Polignac number, because 253132561747 - 2²⁷ = 252998344019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253132561697 and 253132561706.

It is not an unprimeable number, because it can be changed into a prime (253132561741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855504 + ... + 1112722.

It is an arithmetic number, because the mean of its divisors is an integer number (9293487210).

Almost surely, 2^253132561747 is an apocalyptic number.

253132561747 is a deficient number, since it is larger than the sum of its proper divisors (44259028973).

253132561747 is a wasteful number, since it uses less digits than its factorization.

253132561747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257383.

The product of its digits is 1058400, while the sum is 46.

The spelling of 253132561747 in words is "two hundred fifty-three billion, one hundred thirty-two million, five hundred sixty-one thousand, seven hundred forty-seven".