2251260477 has 6 divisors (see below), whose sum is σ = 3251820702. Its totient is φ = 1500840312.

The previous prime is 2251260461. The next prime is 2251260499. The reversal of 2251260477 is 7740621522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2151939321 + 99321156 = 46389^2 + 9966^2 .

It is not a de Polignac number, because 2251260477 - 2⁴ = 2251260461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251260437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125070018 + ... + 125070035.

It is an arithmetic number, because the mean of its divisors is an integer number (541970117).

Almost surely, 2^2251260477 is an apocalyptic number.

It is an amenable number.

2251260477 is a deficient number, since it is larger than the sum of its proper divisors (1000560225).

2251260477 is a wasteful number, since it uses less digits than its factorization.

2251260477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250140059 (or 250140056 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2251260477 is about 47447.4496364135. The cubic root of 2251260477 is about 1310.6153465546.

Adding to 2251260477 its reverse (7740621522), we get a palindrome (9991881999).

The spelling of 2251260477 in words is "two billion, two hundred fifty-one million, two hundred sixty thousand, four hundred seventy-seven".