106231525 has 6 divisors (see below), whose sum is σ = 131727122. Its totient is φ = 84985200.

The previous prime is 106231523. The next prime is 106231529. The reversal of 106231525 is 525132601.

It can be written as a sum of positive squares in 3 ways, for example, as 13417569 + 92813956 = 3663^2 + 9634^2 .

It is not a de Polignac number, because 106231525 - 2¹ = 106231523 is a prime.

It is a super-2 number, since 2×106231525² = 22570273807651250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4249261 = 106231525 / (1 + 0 + 6 + 2 + 3 + 1 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106231525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106231523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2124606 + ... + 2124655.

Almost surely, 2^106231525 is an apocalyptic number.

It is an amenable number.

106231525 is a deficient number, since it is larger than the sum of its proper divisors (25495597).

106231525 is an equidigital number, since it uses as much as digits as its factorization.

106231525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249271 (or 4249266 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 106231525 is about 10306.8678559493. The cubic root of 106231525 is about 473.6066647967.

The spelling of 106231525 in words is "one hundred six million, two hundred thirty-one thousand, five hundred twenty-five".