253155641 has 8 divisors (see below), whose sum is σ = 272684544. Its totient is φ = 234336960.

The previous prime is 253155559. The next prime is 253155649. The reversal of 253155641 is 146551352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253155641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253155598 and 253155607.

It is not an unprimeable number, because it can be changed into a prime (253155649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176816 + ... + 178241.

It is an arithmetic number, because the mean of its divisors is an integer number (34085568).

Almost surely, 2^253155641 is an apocalyptic number.

It is an amenable number.

253155641 is a deficient number, since it is larger than the sum of its proper divisors (19528903).

253155641 is a wasteful number, since it uses less digits than its factorization.

253155641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355111.

The product of its digits is 18000, while the sum is 32.

The square root of 253155641 is about 15910.8655012856. The cubic root of 253155641 is about 632.6000225097.

The spelling of 253155641 in words is "two hundred fifty-three million, one hundred fifty-five thousand, six hundred forty-one".