250501913 has 8 divisors (see below), whose sum is σ = 259339080. Its totient is φ = 241678080.

The previous prime is 250501859. The next prime is 250501949. The reversal of 250501913 is 319105052.

It can be written as a sum of positive squares in 4 ways, for example, as 93450889 + 157051024 = 9667^2 + 12532^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250501913 - 2¹⁶ = 250436377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250501973) 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 7 ways as a sum of consecutive naturals, for example, 49103 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (32417385).

Almost surely, 2^250501913 is an apocalyptic number.

It is an amenable number.

250501913 is a deficient number, since it is larger than the sum of its proper divisors (8837167).

250501913 is a wasteful number, since it uses less digits than its factorization.

250501913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 250501913 is about 15827.2522251969. The cubic root of 250501913 is about 630.3818236353.

Adding to 250501913 its reverse (319105052), we get a palindrome (569606965).

The spelling of 250501913 in words is "two hundred fifty million, five hundred one thousand, nine hundred thirteen".