249950133 has 48 divisors (see below), whose sum is σ = 399072960. Its totient is φ = 150087168.

The previous prime is 249950081. The next prime is 249950143. The reversal of 249950133 is 331059942.

It is a happy number.

It is not a de Polignac number, because 249950133 - 2⁸ = 249949877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249950143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378958 + ... + 379616.

It is an arithmetic number, because the mean of its divisors is an integer number (8314020).

Almost surely, 2^249950133 is an apocalyptic number.

It is an amenable number.

249950133 is a deficient number, since it is larger than the sum of its proper divisors (149122827).

249950133 is a wasteful number, since it uses less digits than its factorization.

249950133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 249950133 is about 15809.8112891963. The cubic root of 249950133 is about 629.9186365068.

The spelling of 249950133 in words is "two hundred forty-nine million, nine hundred fifty thousand, one hundred thirty-three".