1068860537 has 4 divisors (see below), whose sum is σ = 1069340160. Its totient is φ = 1068380916.

The previous prime is 1068860521. The next prime is 1068860539. The reversal of 1068860537 is 7350688601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7350688601 = 6217 ⋅1182353.

It is a cyclic number.

It is not a de Polignac number, because 1068860537 - 2⁴ = 1068860521 is a prime.

It is a super-2 number, since 2×1068860537² = 2284925695111856738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068860539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236453 + ... + 240930.

It is an arithmetic number, because the mean of its divisors is an integer number (267335040).

Almost surely, 2^1068860537 is an apocalyptic number.

It is an amenable number.

1068860537 is a deficient number, since it is larger than the sum of its proper divisors (479623).

1068860537 is an equidigital number, since it uses as much as digits as its factorization.

1068860537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479622.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1068860537 is about 32693.4326279759. The cubic root of 1068860537 is about 1022.4459232963.

The spelling of 1068860537 in words is "one billion, sixty-eight million, eight hundred sixty thousand, five hundred thirty-seven".