102525450 has 24 divisors (see below), whose sum is σ = 254263488. Its totient is φ = 27340080.

The previous prime is 102525433. The next prime is 102525473. The reversal of 102525450 is 54525201.

It is a happy number.

It is a super-2 number, since 2×102525450² = 21022935795405000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102525450.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 341602 + ... + 341901.

It is an arithmetic number, because the mean of its divisors is an integer number (10594312).

Almost surely, 2^102525450 is an apocalyptic number.

102525450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102525450 is an abundant number, since it is smaller than the sum of its proper divisors (151738038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102525450 is a wasteful number, since it uses less digits than its factorization.

102525450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683518 (or 683513 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 102525450 is about 10125.4851735608. The cubic root of 102525450 is about 468.0338112032.

The spelling of 102525450 in words is "one hundred two million, five hundred twenty-five thousand, four hundred fifty".