1097506493 has 2 divisors, whose sum is σ = 1097506494. Its totient is φ = 1097506492.

The previous prime is 1097506463. The next prime is 1097506517. The reversal of 1097506493 is 3946057901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062955609 + 34550884 = 32603^2 + 5878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097506493 - 2¹⁶ = 1097440957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097506463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548753246 + 548753247.

It is an arithmetic number, because the mean of its divisors is an integer number (548753247).

Almost surely, 2^1097506493 is an apocalyptic number.

It is an amenable number.

1097506493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097506493 is an equidigital number, since it uses as much as digits as its factorization.

1097506493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1097506493 is about 33128.6355438916. The cubic root of 1097506493 is about 1031.4995260380.

The spelling of 1097506493 in words is "one billion, ninety-seven million, five hundred six thousand, four hundred ninety-three".