106619525 has 6 divisors (see below), whose sum is σ = 132208242. Its totient is φ = 85295600.

The previous prime is 106619519. The next prime is 106619531. The reversal of 106619525 is 525916601.

It is an interprime number because it is at equal distance from previous prime (106619519) and next prime (106619531).

It can be written as a sum of positive squares in 3 ways, for example, as 5536609 + 101082916 = 2353^2 + 10054^2 .

It is a de Polignac number, because none of the positive numbers 2^k-106619525 is a prime.

It is a super-2 number, since 2×106619525² = 22735446222451250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2132366 + ... + 2132415.

It is an arithmetic number, because the mean of its divisors is an integer number (22034707).

Almost surely, 2^106619525 is an apocalyptic number.

It is an amenable number.

106619525 is a deficient number, since it is larger than the sum of its proper divisors (25588717).

106619525 is an equidigital number, since it uses as much as digits as its factorization.

106619525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264791 (or 4264786 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 106619525 is about 10325.6731015465. The cubic root of 106619525 is about 474.1825645210.

The spelling of 106619525 in words is "one hundred six million, six hundred nineteen thousand, five hundred twenty-five".