251413550201 has 8 divisors (see below), whose sum is σ = 274272960864. Its totient is φ = 228554745120.

The previous prime is 251413550177. The next prime is 251413550209. The reversal of 251413550201 is 102055314152.

251413550201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 251413550201 - 2¹⁸ = 251413288057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (251413550209) 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 7 ways as a sum of consecutive naturals, for example, 1498205 + ... + 1657541.

It is an arithmetic number, because the mean of its divisors is an integer number (34284120108).

Almost surely, 2^251413550201 is an apocalyptic number.

It is an amenable number.

251413550201 is a deficient number, since it is larger than the sum of its proper divisors (22859410663).

251413550201 is a wasteful number, since it uses less digits than its factorization.

251413550201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302791.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 251413550201 its reverse (102055314152), we get a palindrome (353468864353).

The spelling of 251413550201 in words is "two hundred fifty-one billion, four hundred thirteen million, five hundred fifty thousand, two hundred one".