7213833253 has 4 divisors (see below), whose sum is σ = 7869636288. Its totient is φ = 6558030220.

The previous prime is 7213833247. The next prime is 7213833307. The reversal of 7213833253 is 3523383127.

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 7213833253 - 2¹³ = 7213825061 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 (7213833203) 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, 327901501 + ... + 327901522.

It is an arithmetic number, because the mean of its divisors is an integer number (1967409072).

Almost surely, 2^7213833253 is an apocalyptic number.

It is an amenable number.

7213833253 is a deficient number, since it is larger than the sum of its proper divisors (655803035).

7213833253 is a wasteful number, since it uses less digits than its factorization.

7213833253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655803034.

The product of its digits is 90720, while the sum is 37.

The square root of 7213833253 is about 84934.2878524333. The cubic root of 7213833253 is about 1932.2146316717.

The spelling of 7213833253 in words is "seven billion, two hundred thirteen million, eight hundred thirty-three thousand, two hundred fifty-three".