253474523 has 4 divisors (see below), whose sum is σ = 255324840. Its totient is φ = 251624208.

The previous prime is 253474519. The next prime is 253474537. The reversal of 253474523 is 325474352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253474523 - 2² = 253474519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253474223) 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 3 ways as a sum of consecutive naturals, for example, 924953 + ... + 925226.

It is an arithmetic number, because the mean of its divisors is an integer number (63831210).

Almost surely, 2^253474523 is an apocalyptic number.

253474523 is a deficient number, since it is larger than the sum of its proper divisors (1850317).

253474523 is a wasteful number, since it uses less digits than its factorization.

253474523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850316.

The product of its digits is 100800, while the sum is 35.

The square root of 253474523 is about 15920.8832355495. The cubic root of 253474523 is about 632.8655246851.

The spelling of 253474523 in words is "two hundred fifty-three million, four hundred seventy-four thousand, five hundred twenty-three".