253172471 has 2 divisors, whose sum is σ = 253172472. Its totient is φ = 253172470.

The previous prime is 253172453. The next prime is 253172531. The reversal of 253172471 is 174271352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253172471 - 2¹⁴ = 253156087 is a prime.

It is a super-3 number, since 3×253172471³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253172411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126586235 + 126586236.

It is an arithmetic number, because the mean of its divisors is an integer number (126586236).

Almost surely, 2^253172471 is an apocalyptic number.

253172471 is a deficient number, since it is larger than the sum of its proper divisors (1).

253172471 is an equidigital number, since it uses as much as digits as its factorization.

253172471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 253172471 is about 15911.3943763581. The cubic root of 253172471 is about 632.6140407930.

The spelling of 253172471 in words is "two hundred fifty-three million, one hundred seventy-two thousand, four hundred seventy-one".