1095897257 has 16 divisors (see below), whose sum is σ = 1419788160. Its totient is φ = 821446272.

The previous prime is 1095897247. The next prime is 1095897287. The reversal of 1095897257 is 7527985901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1095897257 - 2¹⁴ = 1095880873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1095897199 and 1095897208.

It is not an unprimeable number, because it can be changed into a prime (1095897217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315188 + ... + 318645.

It is an arithmetic number, because the mean of its divisors is an integer number (88736760).

Almost surely, 2^1095897257 is an apocalyptic number.

It is an amenable number.

1095897257 is a deficient number, since it is larger than the sum of its proper divisors (323890903).

1095897257 is a wasteful number, since it uses less digits than its factorization.

1095897257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633872.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The square root of 1095897257 is about 33104.3389452199. The cubic root of 1095897257 is about 1030.9951286788.

The spelling of 1095897257 in words is "one billion, ninety-five million, eight hundred ninety-seven thousand, two hundred fifty-seven".