2063512261 has 2 divisors, whose sum is σ = 2063512262. Its totient is φ = 2063512260.

The previous prime is 2063512249. The next prime is 2063512267. The reversal of 2063512261 is 1622153602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1511732161 + 551780100 = 38881^2 + 23490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063512261 - 2²⁵ = 2029957829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2063512267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031756130 + 1031756131.

It is an arithmetic number, because the mean of its divisors is an integer number (1031756131).

Almost surely, 2^2063512261 is an apocalyptic number.

It is an amenable number.

2063512261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063512261 is an equidigital number, since it uses as much as digits as its factorization.

2063512261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2063512261 is about 45425.8985711895. The cubic root of 2063512261 is about 1273.1190536894.

Adding to 2063512261 its reverse (1622153602), we get a palindrome (3685665863).

It can be divided in two parts, 20635 and 12261, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 2063512261 in words is "two billion, sixty-three million, five hundred twelve thousand, two hundred sixty-one".