782348253 has 4 divisors (see below), whose sum is σ = 1043131008. Its totient is φ = 521565500.

The previous prime is 782348249. The next prime is 782348261. The reversal of 782348253 is 352843287.

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 not a de Polignac number, because 782348253 - 2² = 782348249 is a prime.

It is a super-2 number, since 2×782348253² = 1224137577944304018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782348233) 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, 130391373 + ... + 130391378.

It is an arithmetic number, because the mean of its divisors is an integer number (260782752).

Almost surely, 2^782348253 is an apocalyptic number.

It is an amenable number.

782348253 is a deficient number, since it is larger than the sum of its proper divisors (260782755).

782348253 is a wasteful number, since it uses less digits than its factorization.

782348253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260782754.

The product of its digits is 322560, while the sum is 42.

The square root of 782348253 is about 27970.4889660513. The cubic root of 782348253 is about 921.4392457767.

The spelling of 782348253 in words is "seven hundred eighty-two million, three hundred forty-eight thousand, two hundred fifty-three".