100523425 has 24 divisors (see below), whose sum is σ = 131118840. Its totient is φ = 76339200.

The previous prime is 100523411. The next prime is 100523429. The reversal of 100523425 is 524325001.

It can be written as a sum of positive squares in 12 ways, for example, as 32080896 + 68442529 = 5664^2 + 8273^2 .

It is a de Polignac number, because none of the positive numbers 2^k-100523425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100523396 and 100523405.

It is not an unprimeable number, because it can be changed into a prime (100523429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43089 + ... + 45361.

It is an arithmetic number, because the mean of its divisors is an integer number (5463285).

Almost surely, 2^100523425 is an apocalyptic number.

It is an amenable number.

100523425 is a deficient number, since it is larger than the sum of its proper divisors (30595415).

100523425 is a wasteful number, since it uses less digits than its factorization.

100523425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 100523425 is about 10026.1370926195. The cubic root of 100523425 is about 464.9673156971.

Adding to 100523425 its reverse (524325001), we get a palindrome (624848426).

The spelling of 100523425 in words is "one hundred million, five hundred twenty-three thousand, four hundred twenty-five".