253505522387 has 8 divisors (see below), whose sum is σ = 273014742000. Its totient is φ = 233997559200.

The previous prime is 253505522383. The next prime is 253505522399. The reversal of 253505522387 is 783225505352.

253505522387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 253505522387 - 2² = 253505522383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253505522381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128012 + ... + 723462.

It is an arithmetic number, because the mean of its divisors is an integer number (34126842750).

Almost surely, 2^253505522387 is an apocalyptic number.

253505522387 is a deficient number, since it is larger than the sum of its proper divisors (19509219613).

253505522387 is a wasteful number, since it uses less digits than its factorization.

253505522387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628213.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 253505522387 in words is "two hundred fifty-three billion, five hundred five million, five hundred twenty-two thousand, three hundred eighty-seven".