106518253 has 4 divisors (see below), whose sum is σ = 106652700. Its totient is φ = 106383808.

The previous prime is 106518233. The next prime is 106518257. The reversal of 106518253 is 352815601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15468489 + 91049764 = 3933^2 + 9542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106518253 is a prime.

It is a super-2 number, since 2×106518253² = 22692276444344018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106518257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66028 + ... + 67621.

It is an arithmetic number, because the mean of its divisors is an integer number (26663175).

Almost surely, 2^106518253 is an apocalyptic number.

It is an amenable number.

106518253 is a deficient number, since it is larger than the sum of its proper divisors (134447).

106518253 is an equidigital number, since it uses as much as digits as its factorization.

106518253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134446.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 106518253 is about 10320.7680431255. The cubic root of 106518253 is about 474.0323836824.

The spelling of 106518253 in words is "one hundred six million, five hundred eighteen thousand, two hundred fifty-three".