250130531 has 4 divisors (see below), whose sum is σ = 285863472. Its totient is φ = 214397592.

The previous prime is 250130521. The next prime is 250130549. The reversal of 250130531 is 135031052.

250130531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 250130531 - 2⁶ = 250130467 is a prime.

It is a super-2 number, since 2×250130531² = 125130565076683922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250130521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17866460 + ... + 17866473.

It is an arithmetic number, because the mean of its divisors is an integer number (71465868).

Almost surely, 2^250130531 is an apocalyptic number.

250130531 is a deficient number, since it is larger than the sum of its proper divisors (35732941).

250130531 is an equidigital number, since it uses as much as digits as its factorization.

250130531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35732940.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 250130531 is about 15815.5155148354. The cubic root of 250130531 is about 630.0701450409.

Adding to 250130531 its reverse (135031052), we get a palindrome (385161583).

The spelling of 250130531 in words is "two hundred fifty million, one hundred thirty thousand, five hundred thirty-one".