2261403797 has 2 divisors, whose sum is σ = 2261403798. Its totient is φ = 2261403796.

The previous prime is 2261403791. The next prime is 2261403871. The reversal of 2261403797 is 7973041622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2253780676 + 7623121 = 47474^2 + 2761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261403797 - 2¹⁸ = 2261141653 is a prime.

It is a super-2 number, since 2×2261403797² = 10227894266172034418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261403791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130701898 + 1130701899.

It is an arithmetic number, because the mean of its divisors is an integer number (1130701899).

Almost surely, 2^2261403797 is an apocalyptic number.

It is an amenable number.

2261403797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261403797 is an equidigital number, since it uses as much as digits as its factorization.

2261403797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2261403797 is about 47554.2195498990. The cubic root of 2261403797 is about 1312.5807750983.

The spelling of 2261403797 in words is "two billion, two hundred sixty-one million, four hundred three thousand, seven hundred ninety-seven".