253071213 has 4 divisors (see below), whose sum is σ = 337428288. Its totient is φ = 168714140.

The previous prime is 253071209. The next prime is 253071227. The reversal of 253071213 is 312170352.

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 253071213 - 2² = 253071209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253071253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42178533 + ... + 42178538.

It is an arithmetic number, because the mean of its divisors is an integer number (84357072).

Almost surely, 2^253071213 is an apocalyptic number.

It is an amenable number.

253071213 is a deficient number, since it is larger than the sum of its proper divisors (84357075).

253071213 is an equidigital number, since it uses as much as digits as its factorization.

253071213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84357074.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 253071213 is about 15908.2121245601. The cubic root of 253071213 is about 632.5296901601.

The spelling of 253071213 in words is "two hundred fifty-three million, seventy-one thousand, two hundred thirteen".