253192473 has 10 divisors (see below), whose sum is σ = 378225914. Its totient is φ = 168794928.

The previous prime is 253192411. The next prime is 253192493. The reversal of 253192473 is 374291352.

It can be written as a sum of positive squares in only one way, i.e., 253191744 + 729 = 15912^2 + 27^2 .

It is a de Polignac number, because none of the positive numbers 2^k-253192473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253192403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1562836 + ... + 1562997.

Almost surely, 2^253192473 is an apocalyptic number.

It is an amenable number.

253192473 is a deficient number, since it is larger than the sum of its proper divisors (125033441).

253192473 is an equidigital number, since it uses as much as digits as its factorization.

253192473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125845 (or 3125836 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 253192473 is about 15912.0229072233. The cubic root of 253192473 is about 632.6307003357.

The spelling of 253192473 in words is "two hundred fifty-three million, one hundred ninety-two thousand, four hundred seventy-three".