2253140261 has 2 divisors, whose sum is σ = 2253140262. Its totient is φ = 2253140260.

The previous prime is 2253140257. The next prime is 2253140353. The reversal of 2253140261 is 1620413522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2230767361 + 22372900 = 47231^2 + 4730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253140261 - 2² = 2253140257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2253140261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2253140221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126570130 + 1126570131.

It is an arithmetic number, because the mean of its divisors is an integer number (1126570131).

Almost surely, 2^2253140261 is an apocalyptic number.

It is an amenable number.

2253140261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253140261 is an equidigital number, since it uses as much as digits as its factorization.

2253140261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2253140261 is about 47467.2546183156. The cubic root of 2253140261 is about 1310.9800294194.

Adding to 2253140261 its reverse (1620413522), we get a palindrome (3873553783).

The spelling of 2253140261 in words is "two billion, two hundred fifty-three million, one hundred forty thousand, two hundred sixty-one".