2251550405 has 32 divisors (see below), whose sum is σ = 2942878848. Its totient is φ = 1643846400.

The previous prime is 2251550393. The next prime is 2251550417. The reversal of 2251550405 is 5040551522.

It is an interprime number because it is at equal distance from previous prime (2251550393) and next prime (2251550417).

It is not a de Polignac number, because 2251550405 - 2⁶ = 2251550341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2481962 + ... + 2482868.

It is an arithmetic number, because the mean of its divisors is an integer number (91964964).

Almost surely, 2^2251550405 is an apocalyptic number.

It is an amenable number.

2251550405 is a deficient number, since it is larger than the sum of its proper divisors (691328443).

2251550405 is a wasteful number, since it uses less digits than its factorization.

2251550405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2251550405 is about 47450.5047918355. The cubic root of 2251550405 is about 1310.6716065593.

The spelling of 2251550405 in words is "two billion, two hundred fifty-one million, five hundred fifty thousand, four hundred five".