8625401 has 4 divisors (see below), whose sum is σ = 8646900. Its totient is φ = 8603904.

The previous prime is 8625359. The next prime is 8625431. The reversal of 8625401 is 1045268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 354025 = 2876^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8625401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8625431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10136 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (2161725).

Almost surely, 2^8625401 is an apocalyptic number.

It is an amenable number.

8625401 is a deficient number, since it is larger than the sum of its proper divisors (21499).

8625401 is a wasteful number, since it uses less digits than its factorization.

8625401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8625401 is about 2936.9033010979. The cubic root of 8625401 is about 205.0814746541.

The spelling of 8625401 in words is "eight million, six hundred twenty-five thousand, four hundred one".