102525449 has 8 divisors (see below), whose sum is σ = 111283200. Its totient is φ = 93892176.

The previous prime is 102525433. The next prime is 102525473. The reversal of 102525449 is 944525201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102525449 - 2⁴ = 102525433 is a prime.

It is a super-2 number, since 2×102525449² = 21022935385303202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102525949) 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 7 ways as a sum of consecutive naturals, for example, 29399 + ... + 32700.

It is an arithmetic number, because the mean of its divisors is an integer number (13910400).

Almost surely, 2^102525449 is an apocalyptic number.

It is an amenable number.

102525449 is a deficient number, since it is larger than the sum of its proper divisors (8757751).

102525449 is a wasteful number, since it uses less digits than its factorization.

102525449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62239.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 102525449 is about 10125.4851241805. The cubic root of 102525449 is about 468.0338096815.

The spelling of 102525449 in words is "one hundred two million, five hundred twenty-five thousand, four hundred forty-nine".