250464421 has 4 divisors (see below), whose sum is σ = 251736012. Its totient is φ = 249192832.

The previous prime is 250464419. The next prime is 250464439. The reversal of 250464421 is 124464052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 196280100 + 54184321 = 14010^2 + 7361^2 .

It is a cyclic number.

It is not a de Polignac number, because 250464421 - 2¹ = 250464419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250464421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250464481) 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, 635500 + ... + 635893.

It is an arithmetic number, because the mean of its divisors is an integer number (62934003).

Almost surely, 2^250464421 is an apocalyptic number.

It is an amenable number.

250464421 is a deficient number, since it is larger than the sum of its proper divisors (1271591).

250464421 is a wasteful number, since it uses less digits than its factorization.

250464421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271590.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 250464421 is about 15826.0677680844. The cubic root of 250464421 is about 630.3503728382.

The spelling of 250464421 in words is "two hundred fifty million, four hundred sixty-four thousand, four hundred twenty-one".