2251413601 has 4 divisors (see below), whose sum is σ = 2255357104. Its totient is φ = 2247470100.

The previous prime is 2251413587. The next prime is 2251413611. The reversal of 2251413601 is 1063141522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251413601 - 2⁹ = 2251413089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251413611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970895 + ... + 1972036.

It is an arithmetic number, because the mean of its divisors is an integer number (563839276).

Almost surely, 2^2251413601 is an apocalyptic number.

It is an amenable number.

2251413601 is a deficient number, since it is larger than the sum of its proper divisors (3943503).

2251413601 is an equidigital number, since it uses as much as digits as its factorization.

2251413601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943502.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2251413601 is about 47449.0632257371. The cubic root of 2251413601 is about 1310.6450605921.

The spelling of 2251413601 in words is "two billion, two hundred fifty-one million, four hundred thirteen thousand, six hundred one".