250172542 has 8 divisors (see below), whose sum is σ = 387364032. Its totient is φ = 121051200.

The previous prime is 250172537. The next prime is 250172543. The reversal of 250172542 is 245271052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 250172542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250172543) 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, 2017459 + ... + 2017582.

It is an arithmetic number, because the mean of its divisors is an integer number (48420504).

Almost surely, 2^250172542 is an apocalyptic number.

250172542 is a deficient number, since it is larger than the sum of its proper divisors (137191490).

250172542 is a wasteful number, since it uses less digits than its factorization.

250172542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035074.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 250172542 is about 15816.8436168535. The cubic root of 250172542 is about 630.1054178176.

The spelling of 250172542 in words is "two hundred fifty million, one hundred seventy-two thousand, five hundred forty-two".