252154071 has 12 divisors (see below), whose sum is σ = 392239848. Its totient is φ = 155171664.

The previous prime is 252154069. The next prime is 252154099. The reversal of 252154071 is 170451252.

252154071 is a `hidden beast` number, since 2 + 52 + 1 + 540 + 71 = 666.

It is not a de Polignac number, because 252154071 - 2¹ = 252154069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252150071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077465 + ... + 1077698.

It is an arithmetic number, because the mean of its divisors is an integer number (32686654).

Almost surely, 2^252154071 is an apocalyptic number.

252154071 is a deficient number, since it is larger than the sum of its proper divisors (140085777).

252154071 is a wasteful number, since it uses less digits than its factorization.

252154071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155182 (or 2155179 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 252154071 is about 15879.3599052355. The cubic root of 252154071 is about 631.7646594452.

The spelling of 252154071 in words is "two hundred fifty-two million, one hundred fifty-four thousand, seventy-one".