2261501357 has 2 divisors, whose sum is σ = 2261501358. Its totient is φ = 2261501356.

The previous prime is 2261501299. The next prime is 2261501387. The reversal of 2261501357 is 7531051622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1726319401 + 535181956 = 41549^2 + 23134^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261501357 - 2⁶ = 2261501293 is a prime.

It is a super-2 number, since 2×2261501357² = 10228776775425682898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261501387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130750678 + 1130750679.

It is an arithmetic number, because the mean of its divisors is an integer number (1130750679).

Almost surely, 2^2261501357 is an apocalyptic number.

It is an amenable number.

2261501357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261501357 is an equidigital number, since it uses as much as digits as its factorization.

2261501357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2261501357 is about 47555.2453153172. The cubic root of 2261501357 is about 1312.5996503266.

Adding to 2261501357 its reverse (7531051622), we get a palindrome (9792552979).

The spelling of 2261501357 in words is "two billion, two hundred sixty-one million, five hundred one thousand, three hundred fifty-seven".