8725413 has 4 divisors (see below), whose sum is σ = 11633888. Its totient is φ = 5816940.

The previous prime is 8725399. The next prime is 8725421. The reversal of 8725413 is 3145278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8725413 - 2⁴ = 8725397 is a prime.

It is a super-2 number, since 2×8725413² = 152265664041138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454233 + ... + 1454238.

It is an arithmetic number, because the mean of its divisors is an integer number (2908472).

Almost surely, 2^8725413 is an apocalyptic number.

It is an amenable number.

8725413 is a deficient number, since it is larger than the sum of its proper divisors (2908475).

8725413 is a wasteful number, since it uses less digits than its factorization.

8725413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908474.

The product of its digits is 6720, while the sum is 30.

The square root of 8725413 is about 2953.8810064050. The cubic root of 8725413 is about 205.8710743225.

The spelling of 8725413 in words is "eight million, seven hundred twenty-five thousand, four hundred thirteen".