8538225501 has 16 divisors (see below), whose sum is σ = 12682776960. Its totient is φ = 5073109440.

The previous prime is 8538225497. The next prime is 8538225541. The reversal of 8538225501 is 1055228358.

It is not a de Polignac number, because 8538225501 - 2² = 8538225497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8538225501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538225541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3773505 + ... + 3775766.

It is an arithmetic number, because the mean of its divisors is an integer number (792673560).

Almost surely, 2^8538225501 is an apocalyptic number.

It is an amenable number.

8538225501 is a deficient number, since it is larger than the sum of its proper divisors (4144551459).

8538225501 is a wasteful number, since it uses less digits than its factorization.

8538225501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7549316.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 8538225501 is about 92402.5189104713. The cubic root of 8538225501 is about 2043.8822570117.

The spelling of 8538225501 in words is "eight billion, five hundred thirty-eight million, two hundred twenty-five thousand, five hundred one".