101505225 has 24 divisors (see below), whose sum is σ = 168154912. Its totient is φ = 54028800.

The previous prime is 101505223. The next prime is 101505251. The reversal of 101505225 is 522505101.

It is not a de Polignac number, because 101505225 - 2¹ = 101505223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101505223) 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, 49470 + ... + 51480.

Almost surely, 2^101505225 is an apocalyptic number.

101505225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101505225 is a deficient number, since it is larger than the sum of its proper divisors (66649687).

101505225 is a wasteful number, since it uses less digits than its factorization.

101505225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 101505225 is about 10074.9801488638. The cubic root of 101505225 is about 466.4761736687.

The spelling of 101505225 in words is "one hundred one million, five hundred five thousand, two hundred twenty-five".