8725507 has 4 divisors (see below), whose sum is σ = 9972016. Its totient is φ = 7479000.

The previous prime is 8725499. The next prime is 8725511. The reversal of 8725507 is 7055278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7055278 = 2 ⋅3527639.

It is a cyclic number.

It is not a de Polignac number, because 8725507 - 2³ = 8725499 is a prime.

It is a super-2 number, since 2×8725507² = 152268944814098, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8725547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623244 + ... + 623257.

It is an arithmetic number, because the mean of its divisors is an integer number (2493004).

Almost surely, 2^8725507 is an apocalyptic number.

8725507 is a deficient number, since it is larger than the sum of its proper divisors (1246509).

8725507 is a wasteful number, since it uses less digits than its factorization.

8725507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246508.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 8725507 is about 2953.8969176327. The cubic root of 8725507 is about 205.8718136118.

The spelling of 8725507 in words is "eight million, seven hundred twenty-five thousand, five hundred seven".