106421325 has 12 divisors (see below), whose sum is σ = 175950048. Its totient is φ = 56758000.

The previous prime is 106421323. The next prime is 106421333. The reversal of 106421325 is 523124601.

It is not a de Polignac number, because 106421325 - 2¹ = 106421323 is a prime.

It is a super-2 number, since 2×106421325² = 22650996829511250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106421295 and 106421304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106421321) 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, 709401 + ... + 709550.

It is an arithmetic number, because the mean of its divisors is an integer number (14662504).

Almost surely, 2^106421325 is an apocalyptic number.

106421325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106421325 is a deficient number, since it is larger than the sum of its proper divisors (69528723).

106421325 is a wasteful number, since it uses less digits than its factorization.

106421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418964 (or 1418959 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 106421325 is about 10316.0711998318. The cubic root of 106421325 is about 473.8885555798. Note that the first 3 decimals are identical.

Adding to 106421325 its reverse (523124601), we get a palindrome (629545926).

The spelling of 106421325 in words is "one hundred six million, four hundred twenty-one thousand, three hundred twenty-five".