101625669 has 6 divisors (see below), whose sum is σ = 146792646. Its totient is φ = 67750440.

The previous prime is 101625649. The next prime is 101625683. The reversal of 101625669 is 966526101.

It can be written as a sum of positive squares in only one way, i.e., 79441569 + 22184100 = 8913^2 + 4710^2 .

It is not a de Polignac number, because 101625669 - 2⁹ = 101625157 is a prime.

It is a super-2 number, since 2×101625669² = 20655553199395122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101625649) 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, 5645862 + ... + 5645879.

It is an arithmetic number, because the mean of its divisors is an integer number (24465441).

Almost surely, 2^101625669 is an apocalyptic number.

It is an amenable number.

101625669 is a deficient number, since it is larger than the sum of its proper divisors (45166977).

101625669 is a wasteful number, since it uses less digits than its factorization.

101625669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291747 (or 11291744 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 101625669 is about 10080.9557582602. The cubic root of 101625669 is about 466.6606043997.

The spelling of 101625669 in words is "one hundred one million, six hundred twenty-five thousand, six hundred sixty-nine".