253577043241 has 4 divisors (see below), whose sum is σ = 253585840084. Its totient is φ = 253568246400.

The previous prime is 253577043227. The next prime is 253577043277. The reversal of 253577043241 is 142340775352.

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 234937967616 + 18639075625 = 484704^2 + 136525^2 .

It is a cyclic number.

It is not a de Polignac number, because 253577043241 - 2¹⁵ = 253577010473 is a prime.

It is a super-3 number, since 3×253577043241³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253577043541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4355040 + ... + 4412881.

It is an arithmetic number, because the mean of its divisors is an integer number (63396460021).

Almost surely, 2^253577043241 is an apocalyptic number.

It is an amenable number.

253577043241 is a deficient number, since it is larger than the sum of its proper divisors (8796843).

253577043241 is an equidigital number, since it uses as much as digits as its factorization.

253577043241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8796842.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 253577043241 in words is "two hundred fifty-three billion, five hundred seventy-seven million, forty-three thousand, two hundred forty-one".