100530525 has 12 divisors (see below), whose sum is σ = 166210592. Its totient is φ = 53616240.

The previous prime is 100530511. The next prime is 100530541. The reversal of 100530525 is 525035001.

It is not a de Polignac number, because 100530525 - 2¹³ = 100522333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670129 + ... + 670278.

Almost surely, 2^100530525 is an apocalyptic number.

100530525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100530525 is a deficient number, since it is larger than the sum of its proper divisors (65680067).

100530525 is a wasteful number, since it uses less digits than its factorization.

100530525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340420 (or 1340415 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 100530525 is about 10026.4911609197. The cubic root of 100530525 is about 464.9782623669.

Adding to 100530525 its reverse (525035001), we get a palindrome (625565526).

The spelling of 100530525 in words is "one hundred million, five hundred thirty thousand, five hundred twenty-five".