250152252421 has 4 divisors (see below), whose sum is σ = 251598219372. Its totient is φ = 248706285472.

The previous prime is 250152252349. The next prime is 250152252433. The reversal of 250152252421 is 124252251052.

250152252421 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 can be written as a sum of positive squares in 2 ways, for example, as 159132379396 + 91019873025 = 398914^2 + 301695^2 .

It is a cyclic number.

It is not a de Polignac number, because 250152252421 - 2¹⁹ = 250151728133 is a prime.

It is a super-2 number, since 2×250152252421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250152252451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722983216 + ... + 722983561.

It is an arithmetic number, because the mean of its divisors is an integer number (62899554843).

Almost surely, 2^250152252421 is an apocalyptic number.

It is an amenable number.

250152252421 is a deficient number, since it is larger than the sum of its proper divisors (1445966951).

250152252421 is a wasteful number, since it uses less digits than its factorization.

250152252421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445966950.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 250152252421 in words is "two hundred fifty billion, one hundred fifty-two million, two hundred fifty-two thousand, four hundred twenty-one".