102572425 has 12 divisors (see below), whose sum is σ = 127742940. Its totient is φ = 81701120.

The previous prime is 102572417. The next prime is 102572429. The reversal of 102572425 is 524275201.

It can be written as a sum of positive squares in 6 ways, for example, as 3111696 + 99460729 = 1764^2 + 9973^2 .

It is not a de Polignac number, because 102572425 - 2³ = 102572417 is a prime.

It is a super-2 number, since 2×102572425² = 21042204740761250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102572393 and 102572402.

It is not an unprimeable number, because it can be changed into a prime (102572429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2980 + ... + 14629.

It is an arithmetic number, because the mean of its divisors is an integer number (10645245).

Almost surely, 2^102572425 is an apocalyptic number.

It is an amenable number.

102572425 is a deficient number, since it is larger than the sum of its proper divisors (25170515).

102572425 is a wasteful number, since it uses less digits than its factorization.

102572425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17852 (or 17847 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 102572425 is about 10127.8045498519. The cubic root of 102572425 is about 468.1052813644.

The spelling of 102572425 in words is "one hundred two million, five hundred seventy-two thousand, four hundred twenty-five".