250425155 has 4 divisors (see below), whose sum is σ = 300510192. Its totient is φ = 200340120.

The previous prime is 250425151. The next prime is 250425167. The reversal of 250425155 is 551524052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 250425155 - 2² = 250425151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250425151) 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, 25042511 + ... + 25042520.

It is an arithmetic number, because the mean of its divisors is an integer number (75127548).

Almost surely, 2^250425155 is an apocalyptic number.

250425155 is a deficient number, since it is larger than the sum of its proper divisors (50085037).

250425155 is an equidigital number, since it uses as much as digits as its factorization.

250425155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50085036.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 250425155 is about 15824.8271712521. The cubic root of 250425155 is about 630.3174305262.

The spelling of 250425155 in words is "two hundred fifty million, four hundred twenty-five thousand, one hundred fifty-five".