2261011037 has 2 divisors, whose sum is σ = 2261011038. Its totient is φ = 2261011036.

The previous prime is 2261011003. The next prime is 2261011057. The reversal of 2261011037 is 7301101622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2087667481 + 173343556 = 45691^2 + 13166^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261011037 - 2²² = 2256816733 is a prime.

It is a super-2 number, since 2×2261011037² = 10224341818871630738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261011057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130505518 + 1130505519.

It is an arithmetic number, because the mean of its divisors is an integer number (1130505519).

Almost surely, 2^2261011037 is an apocalyptic number.

It is an amenable number.

2261011037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261011037 is an equidigital number, since it uses as much as digits as its factorization.

2261011037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2261011037 is about 47550.0897685798. The cubic root of 2261011037 is about 1312.5047811406.

Adding to 2261011037 its reverse (7301101622), we get a palindrome (9562112659).

The spelling of 2261011037 in words is "two billion, two hundred sixty-one million, eleven thousand, thirty-seven".