10218525 has 12 divisors (see below), whose sum is σ = 16894752. Its totient is φ = 5449840.

The previous prime is 10218521. The next prime is 10218539. The reversal of 10218525 is 52581201.

It is not a de Polignac number, because 10218525 - 2² = 10218521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10218495 and 10218504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218521) 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, 68049 + ... + 68198.

It is an arithmetic number, because the mean of its divisors is an integer number (1407896).

Almost surely, 2^10218525 is an apocalyptic number.

10218525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10218525 is a deficient number, since it is larger than the sum of its proper divisors (6676227).

10218525 is a wasteful number, since it uses less digits than its factorization.

10218525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136260 (or 136255 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 10218525 is about 3196.6427701575. The cubic root of 10218525 is about 217.0015006940.

Adding to 10218525 its reverse (52581201), we get a palindrome (62799726).

It can be divided in two parts, 10218 and 525, that multiplied together give a triangular number (5364450 = T₃₂₇₅).

The spelling of 10218525 in words is "ten million, two hundred eighteen thousand, five hundred twenty-five".