252151133 has 16 divisors (see below), whose sum is σ = 275014656. Its totient is φ = 229805760.

The previous prime is 252151111. The next prime is 252151177. The reversal of 252151133 is 331151252.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252151133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252151099 and 252151108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252151733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429266 + ... + 429852.

It is an arithmetic number, because the mean of its divisors is an integer number (17188416).

Almost surely, 2^252151133 is an apocalyptic number.

It is an amenable number.

252151133 is a deficient number, since it is larger than the sum of its proper divisors (22863523).

252151133 is a wasteful number, since it uses less digits than its factorization.

252151133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 900, while the sum is 23.

The square root of 252151133 is about 15879.2673949399. The cubic root of 252151133 is about 631.7622057446.

The spelling of 252151133 in words is "two hundred fifty-two million, one hundred fifty-one thousand, one hundred thirty-three".