253028773 has 4 divisors (see below), whose sum is σ = 264030048. Its totient is φ = 242027500.

The previous prime is 253028761. The next prime is 253028779. The reversal of 253028773 is 377820352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253028773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253028779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500603 + ... + 5500648.

It is an arithmetic number, because the mean of its divisors is an integer number (66007512).

Almost surely, 2^253028773 is an apocalyptic number.

253028773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253028773 is a deficient number, since it is larger than the sum of its proper divisors (11001275).

253028773 is a wasteful number, since it uses less digits than its factorization.

253028773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001274.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 253028773 is about 15906.8781663782. The cubic root of 253028773 is about 632.4943298090.

The spelling of 253028773 in words is "two hundred fifty-three million, twenty-eight thousand, seven hundred seventy-three".