525255430 has 16 divisors (see below), whose sum is σ = 1080525600. Its totient is φ = 180087552.

The previous prime is 525255427. The next prime is 525255461. The reversal of 525255430 is 34552525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 525255392 and 525255401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751755 + ... + 3751894.

It is an arithmetic number, because the mean of its divisors is an integer number (67532850).

Almost surely, 2^525255430 is an apocalyptic number.

525255430 is an abundant number, since it is smaller than the sum of its proper divisors (555270170).

525255430 is a wasteful number, since it uses less digits than its factorization.

525255430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503663.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 525255430 is about 22918.4517365375. The cubic root of 525255430 is about 806.8451329363.

The spelling of 525255430 in words is "five hundred twenty-five million, two hundred fifty-five thousand, four hundred thirty".