250501066 has 4 divisors (see below), whose sum is σ = 375751602. Its totient is φ = 125250532.

The previous prime is 250501061. The next prime is 250501067. The reversal of 250501066 is 660105052.

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

It can be written as a sum of positive squares in only one way, i.e., 188485441 + 62015625 = 13729^2 + 7875^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 250501066.

It is not an unprimeable number, because it can be changed into a prime (250501061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62625265 + ... + 62625268.

Almost surely, 2^250501066 is an apocalyptic number.

250501066 is a deficient number, since it is larger than the sum of its proper divisors (125250536).

250501066 is a wasteful number, since it uses less digits than its factorization.

250501066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125250535.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 250501066 is about 15827.2254675290. The cubic root of 250501066 is about 630.3811131497.

The spelling of 250501066 in words is "two hundred fifty million, five hundred one thousand, sixty-six".