1097574481 has 4 divisors (see below), whose sum is σ = 1101748032. Its totient is φ = 1093400932.

The previous prime is 1097574473. The next prime is 1097574529. The reversal of 1097574481 is 1844757901.

It is a happy number.

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: 1844757901 = 7 ⋅263536843.

It is a cyclic number.

It is not a de Polignac number, because 1097574481 - 2³ = 1097574473 is a prime.

It is a super-2 number, since 2×1097574481² = 2409339482684838722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097574431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086381 + ... + 2086906.

It is an arithmetic number, because the mean of its divisors is an integer number (275437008).

Almost surely, 2^1097574481 is an apocalyptic number.

It is an amenable number.

1097574481 is a deficient number, since it is larger than the sum of its proper divisors (4173551).

1097574481 is an equidigital number, since it uses as much as digits as its factorization.

1097574481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173550.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1097574481 is about 33129.6616493438. The cubic root of 1097574481 is about 1031.5208252717.

The spelling of 1097574481 in words is "one billion, ninety-seven million, five hundred seventy-four thousand, four hundred eighty-one".