2261536026 has 16 divisors (see below), whose sum is σ = 4577567904. Its totient is φ = 744762704.

The previous prime is 2261536003. The next prime is 2261536049. The reversal of 2261536026 is 6206351622.

It is an interprime number because it is at equal distance from previous prime (2261536003) and next prime (2261536049).

It is a super-2 number, since 2×2261536026² = 10229090393791745352, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270121 + ... + 2271116.

It is an arithmetic number, because the mean of its divisors is an integer number (286097994).

Almost surely, 2^2261536026 is an apocalyptic number.

2261536026 is an abundant number, since it is smaller than the sum of its proper divisors (2316031878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261536026 is a wasteful number, since it uses less digits than its factorization.

2261536026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541325.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2261536026 is about 47555.6098268122. The cubic root of 2261536026 is about 1312.6063577122.

Adding to 2261536026 its reverse (6206351622), we get a palindrome (8467887648).

The spelling of 2261536026 in words is "two billion, two hundred sixty-one million, five hundred thirty-six thousand, twenty-six".