102606425 has 12 divisors (see below), whose sum is σ = 127363500. Its totient is φ = 82000320.

The previous prime is 102606421. The next prime is 102606433. The reversal of 102606425 is 524606201.

It can be written as a sum of positive squares in 6 ways, for example, as 2226064 + 100380361 = 1492^2 + 10019^2 .

It is not a de Polignac number, because 102606425 - 2² = 102606421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102606394 and 102606403.

It is not an unprimeable number, because it can be changed into a prime (102606421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35951 + ... + 38699.

It is an arithmetic number, because the mean of its divisors is an integer number (10613625).

Almost surely, 2^102606425 is an apocalyptic number.

It is an amenable number.

102606425 is a deficient number, since it is larger than the sum of its proper divisors (24757075).

102606425 is a wasteful number, since it uses less digits than its factorization.

102606425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 102606425 is about 10129.4829581771. The cubic root of 102606425 is about 468.1569970874.

The spelling of 102606425 in words is "one hundred two million, six hundred six thousand, four hundred twenty-five".