24900625 has 10 divisors (see below), whose sum is σ = 31116602. Its totient is φ = 19920000.

The previous prime is 24900541. The next prime is 24900643. The reversal of 24900625 is 52600942.

24900625 = 3528² + 3529².

It can be written as a sum of positive squares in 5 ways, for example, as 12453841 + 12446784 = 3529^2 + 3528^2 .

It is not a de Polignac number, because 24900625 - 2⁷ = 24900497 is a prime.

It is a super-2 number, since 2×24900625² = 1240082250781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24900593 and 24900602.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19296 + ... + 20545.

Almost surely, 2^24900625 is an apocalyptic number.

24900625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

24900625 is the 3529-th centered square number.

It is an amenable number.

24900625 is a deficient number, since it is larger than the sum of its proper divisors (6215977).

24900625 is an frugal number, since it uses more digits than its factorization.

24900625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39861 (or 39846 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 24900625 is about 4990.0526049331. The cubic root of 24900625 is about 292.0138269865.

The spelling of 24900625 in words is "twenty-four million, nine hundred thousand, six hundred twenty-five".