106531025 has 12 divisors (see below), whose sum is σ = 132348300. Its totient is φ = 85063680.

The previous prime is 106531021. The next prime is 106531039. The reversal of 106531025 is 520135601.

It can be written as a sum of positive squares in 6 ways, for example, as 10804369 + 95726656 = 3287^2 + 9784^2 .

It is not a de Polignac number, because 106531025 - 2² = 106531021 is a prime.

It is a super-2 number, since 2×106531025² = 22697718575101250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106531021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10481 + ... + 17969.

It is an arithmetic number, because the mean of its divisors is an integer number (11029025).

Almost surely, 2^106531025 is an apocalyptic number.

It is an amenable number.

106531025 is a deficient number, since it is larger than the sum of its proper divisors (25817275).

106531025 is an equidigital number, since it uses as much as digits as its factorization.

106531025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068 (or 8063 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 106531025 is about 10321.3867769791. The cubic root of 106531025 is about 474.0513291041.

Adding to 106531025 its reverse (520135601), we get a palindrome (626666626).

The spelling of 106531025 in words is "one hundred six million, five hundred thirty-one thousand, twenty-five".