253213711 has 4 divisors (see below), whose sum is σ = 253623400. Its totient is φ = 252804024.

The previous prime is 253213687. The next prime is 253213771. The reversal of 253213711 is 117312352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253213711 - 2⁵ = 253213679 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 (253213771) 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, 203916 + ... + 205153.

It is an arithmetic number, because the mean of its divisors is an integer number (63405850).

Almost surely, 2^253213711 is an apocalyptic number.

253213711 is a deficient number, since it is larger than the sum of its proper divisors (409689).

253213711 is an equidigital number, since it uses as much as digits as its factorization.

253213711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409688.

The product of its digits is 1260, while the sum is 25.

The square root of 253213711 is about 15912.6902502374. The cubic root of 253213711 is about 632.6483883749.

The spelling of 253213711 in words is "two hundred fifty-three million, two hundred thirteen thousand, seven hundred eleven".