100507025 has 6 divisors (see below), whose sum is σ = 124628742. Its totient is φ = 80405600.

The previous prime is 100507007. The next prime is 100507037. The reversal of 100507025 is 520705001.

It can be written as a sum of positive squares in 3 ways, for example, as 35414401 + 65092624 = 5951^2 + 8068^2 .

It is not a de Polignac number, because 100507025 - 2¹⁰ = 100506001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100506988 and 100507006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2010116 + ... + 2010165.

It is an arithmetic number, because the mean of its divisors is an integer number (20771457).

Almost surely, 2^100507025 is an apocalyptic number.

It is an amenable number.

100507025 is a deficient number, since it is larger than the sum of its proper divisors (24121717).

100507025 is an equidigital number, since it uses as much as digits as its factorization.

100507025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020291 (or 4020286 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 100507025 is about 10025.3191969134. The cubic root of 100507025 is about 464.9420284611.

The spelling of 100507025 in words is "one hundred million, five hundred seven thousand, twenty-five".