8102625401 has 6 divisors (see below), whose sum is σ = 8773848990. Its totient is φ = 7479346368.

The previous prime is 8102625367. The next prime is 8102625409. The reversal of 8102625401 is 1045262018.

It can be written as a sum of positive squares in 3 ways, for example, as 78765625 + 8023859776 = 8875^2 + 89576^2 .

It is not a de Polignac number, because 8102625401 - 2¹⁰ = 8102624377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8102625409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23972096 + ... + 23972433.

It is an arithmetic number, because the mean of its divisors is an integer number (1462308165).

Almost surely, 2^8102625401 is an apocalyptic number.

It is an amenable number.

8102625401 is a deficient number, since it is larger than the sum of its proper divisors (671223589).

8102625401 is a wasteful number, since it uses less digits than its factorization.

8102625401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47944555 (or 47944542 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8102625401 is about 90014.5843794215. The cubic root of 8102625401 is about 2008.5158058126.

Adding to 8102625401 its reverse (1045262018), we get a palindrome (9147887419).

The spelling of 8102625401 in words is "eight billion, one hundred two million, six hundred twenty-five thousand, four hundred one".