2113265477 has 2 divisors, whose sum is σ = 2113265478. Its totient is φ = 2113265476.

The previous prime is 2113265459. The next prime is 2113265489. The reversal of 2113265477 is 7745623112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914850081 + 198415396 = 43759^2 + 14086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113265477 - 2⁸ = 2113265221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113265477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113265417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056632738 + 1056632739.

It is an arithmetic number, because the mean of its divisors is an integer number (1056632739).

Almost surely, 2^2113265477 is an apocalyptic number.

It is an amenable number.

2113265477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113265477 is an equidigital number, since it uses as much as digits as its factorization.

2113265477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 2113265477 is about 45970.2673148634. The cubic root of 2113265477 is about 1283.2699346803.

Adding to 2113265477 its reverse (7745623112), we get a palindrome (9858888589).

The spelling of 2113265477 in words is "two billion, one hundred thirteen million, two hundred sixty-five thousand, four hundred seventy-seven".