100197525 has 24 divisors (see below), whose sum is σ = 169517920. Its totient is φ = 52194240.

The previous prime is 100197511. The next prime is 100197527. The reversal of 100197525 is 525791001.

It is not a de Polignac number, because 100197525 - 2⁴ = 100197509 is a prime.

It is a super-2 number, since 2×100197525² = 20079088032251250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100197492 and 100197501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100197527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12310 + ... + 18759.

Almost surely, 2^100197525 is an apocalyptic number.

100197525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100197525 is a deficient number, since it is larger than the sum of its proper divisors (69320395).

100197525 is a wasteful number, since it uses less digits than its factorization.

100197525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31125 (or 31120 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 100197525 is about 10009.8713777950. The cubic root of 100197525 is about 464.4642923079.

The spelling of 100197525 in words is "one hundred million, one hundred ninety-seven thousand, five hundred twenty-five".