109366531 has 2 divisors, whose sum is σ = 109366532. Its totient is φ = 109366530.

The previous prime is 109366441. The next prime is 109366547. The reversal of 109366531 is 135663901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109366531 - 2¹³ = 109358339 is a prime.

It is a super-2 number, since 2×109366531² = 23922076205947922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109361531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54683265 + 54683266.

It is an arithmetic number, because the mean of its divisors is an integer number (54683266).

Almost surely, 2^109366531 is an apocalyptic number.

109366531 is a deficient number, since it is larger than the sum of its proper divisors (1).

109366531 is an equidigital number, since it uses as much as digits as its factorization.

109366531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 109366531 is about 10457.8454281941. The cubic root of 109366531 is about 478.2204520494.

The spelling of 109366531 in words is "one hundred nine million, three hundred sixty-six thousand, five hundred thirty-one".