250541421 has 16 divisors (see below), whose sum is σ = 360083136. Its totient is φ = 154037376.

The previous prime is 250541407. The next prime is 250541437. The reversal of 250541421 is 124145052.

It is not a de Polignac number, because 250541421 - 2⁷ = 250541293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250541391 and 250541400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250541491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53646 + ... + 58128.

It is an arithmetic number, because the mean of its divisors is an integer number (22505196).

Almost surely, 2^250541421 is an apocalyptic number.

It is an amenable number.

250541421 is a deficient number, since it is larger than the sum of its proper divisors (109541715).

250541421 is a wasteful number, since it uses less digits than its factorization.

250541421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 250541421 is about 15828.5002764002. The cubic root of 250541421 is about 630.4149621925.

Adding to 250541421 its reverse (124145052), we get a palindrome (374686473).

The spelling of 250541421 in words is "two hundred fifty million, five hundred forty-one thousand, four hundred twenty-one".