253436523 has 8 divisors (see below), whose sum is σ = 339869328. Its totient is φ = 167980704.

The previous prime is 253436507. The next prime is 253436543. The reversal of 253436523 is 325634352.

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

It is not a de Polignac number, because 253436523 - 2⁴ = 253436507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253436543) 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, 243640 + ... + 244677.

It is an arithmetic number, because the mean of its divisors is an integer number (42483666).

Almost surely, 2^253436523 is an apocalyptic number.

253436523 is a deficient number, since it is larger than the sum of its proper divisors (86432805).

253436523 is a wasteful number, since it uses less digits than its factorization.

253436523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488493.

The product of its digits is 64800, while the sum is 33.

The square root of 253436523 is about 15919.6897896913. The cubic root of 253436523 is about 632.8338974542.

The spelling of 253436523 in words is "two hundred fifty-three million, four hundred thirty-six thousand, five hundred twenty-three".