1097504085 has 16 divisors (see below), whose sum is σ = 1757387520. Its totient is φ = 584875200.

The previous prime is 1097504081. The next prime is 1097504117. The reversal of 1097504085 is 5804057901.

It is not a de Polignac number, because 1097504085 - 2² = 1097504081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097504081) 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, 8605 + ... + 47634.

It is an arithmetic number, because the mean of its divisors is an integer number (109836720).

Almost surely, 2^1097504085 is an apocalyptic number.

1097504085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097504085 is a deficient number, since it is larger than the sum of its proper divisors (659883435).

1097504085 is a wasteful number, since it uses less digits than its factorization.

1097504085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57548.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 1097504085 is about 33128.5992006906. The cubic root of 1097504085 is about 1031.4987716453.

The spelling of 1097504085 in words is "one billion, ninety-seven million, five hundred four thousand, eighty-five".