102553425 has 144 divisors (see below), whose sum is σ = 217843200. Its totient is φ = 47174400.

The previous prime is 102553417. The next prime is 102553447. The reversal of 102553425 is 524355201.

It is a happy number.

102553425 is a `hidden beast` number, since 102 + 5 + 534 + 25 = 666.

It is not a de Polignac number, because 102553425 - 2³ = 102553417 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3308160 + ... + 3308190.

It is an arithmetic number, because the mean of its divisors is an integer number (1512800).

Almost surely, 2^102553425 is an apocalyptic number.

102553425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102553425 is an abundant number, since it is smaller than the sum of its proper divisors (115289775).

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

102553425 is a wasteful number, since it uses less digits than its factorization.

102553425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 102553425 is about 10126.8664946271. The cubic root of 102553425 is about 468.0763764238.

The spelling of 102553425 in words is "one hundred two million, five hundred fifty-three thousand, four hundred twenty-five".