7144001261 has 2 divisors, whose sum is σ = 7144001262. Its totient is φ = 7144001260.

The previous prime is 7144001219. The next prime is 7144001339. The reversal of 7144001261 is 1621004417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4224220036 + 2919781225 = 64994^2 + 54035^2 .

It is a cyclic number.

It is not a de Polignac number, because 7144001261 - 2¹⁸ = 7143739117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7144001261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7144001461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572000630 + 3572000631.

It is an arithmetic number, because the mean of its divisors is an integer number (3572000631).

Almost surely, 2^7144001261 is an apocalyptic number.

It is an amenable number.

7144001261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7144001261 is an equidigital number, since it uses as much as digits as its factorization.

7144001261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 7144001261 is about 84522.1938960413. The cubic root of 7144001261 is about 1925.9596057567.

Adding to 7144001261 its reverse (1621004417), we get a palindrome (8765005678).

The spelling of 7144001261 in words is "seven billion, one hundred forty-four million, one thousand, two hundred sixty-one".