2405551249 has 2 divisors, whose sum is σ = 2405551250. Its totient is φ = 2405551248.

The previous prime is 2405551177. The next prime is 2405551273. The reversal of 2405551249 is 9421555042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1834580224 + 570971025 = 42832^2 + 23895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405551249 - 2¹³ = 2405543057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2405551349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202775624 + 1202775625.

It is an arithmetic number, because the mean of its divisors is an integer number (1202775625).

Almost surely, 2^2405551249 is an apocalyptic number.

It is an amenable number.

2405551249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405551249 is an equidigital number, since it uses as much as digits as its factorization.

2405551249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 2405551249 is about 49046.4193290397. The cubic root of 2405551249 is about 1339.8973800154.

The spelling of 2405551249 in words is "two billion, four hundred five million, five hundred fifty-one thousand, two hundred forty-nine".