2251501477 has 2 divisors, whose sum is σ = 2251501478. Its totient is φ = 2251501476.

The previous prime is 2251501379. The next prime is 2251501513. The reversal of 2251501477 is 7741051522.

2251501477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2227745601 + 23755876 = 47199^2 + 4874^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251501477 - 2³¹ = 104017829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251511477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125750738 + 1125750739.

It is an arithmetic number, because the mean of its divisors is an integer number (1125750739).

Almost surely, 2^2251501477 is an apocalyptic number.

It is an amenable number.

2251501477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251501477 is an equidigital number, since it uses as much as digits as its factorization.

2251501477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 2251501477 is about 47449.9892202306. The cubic root of 2251501477 is about 1310.6621125081.

Adding to 2251501477 its reverse (7741051522), we get a palindrome (9992552999).

The spelling of 2251501477 in words is "two billion, two hundred fifty-one million, five hundred one thousand, four hundred seventy-seven".