250069530 has 64 divisors (see below), whose sum is σ = 615703680. Its totient is φ = 64982016.

The previous prime is 250069517. The next prime is 250069559. The reversal of 250069530 is 35960052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194269 + ... + 195551.

It is an arithmetic number, because the mean of its divisors is an integer number (9620370).

Almost surely, 2^250069530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250069530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307851840).

250069530 is an abundant number, since it is smaller than the sum of its proper divisors (365634150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250069530 is a wasteful number, since it uses less digits than its factorization.

250069530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 250069530 is about 15813.5868796425. The cubic root of 250069530 is about 630.0189210745.

The spelling of 250069530 in words is "two hundred fifty million, sixty-nine thousand, five hundred thirty".