250523530 has 16 divisors (see below), whose sum is σ = 461941704. Its totient is φ = 97765120.

The previous prime is 250523503. The next prime is 250523557. The reversal of 250523530 is 35325052.

250523530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (250523503) and next prime (250523557).

It can be written as a sum of positive squares in 4 ways, for example, as 159340129 + 91183401 = 12623^2 + 9549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250523495 and 250523504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305107 + ... + 305926.

Almost surely, 2^250523530 is an apocalyptic number.

250523530 is a deficient number, since it is larger than the sum of its proper divisors (211418174).

250523530 is a wasteful number, since it uses less digits than its factorization.

250523530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611081.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 250523530 is about 15827.9351148531. The cubic root of 250523530 is about 630.3999559944.

Adding to 250523530 its reverse (35325052), we get a palindrome (285848582).

It can be divided in two parts, 25052 and 3530, that added together give a palindrome (28582).

The spelling of 250523530 in words is "two hundred fifty million, five hundred twenty-three thousand, five hundred thirty".