525451430 has 32 divisors (see below), whose sum is σ = 1110148416. Its totient is φ = 175284864.

The previous prime is 525451387. The next prime is 525451439. The reversal of 525451430 is 34154525.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525451393 and 525451402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525451439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98849 + ... + 104028.

It is an arithmetic number, because the mean of its divisors is an integer number (34692138).

Almost surely, 2^525451430 is an apocalyptic number.

525451430 is an abundant number, since it is smaller than the sum of its proper divisors (584696986).

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

525451430 is a wasteful number, since it uses less digits than its factorization.

525451430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202928.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 525451430 is about 22922.7273682692. The cubic root of 525451430 is about 806.9454790224.

The spelling of 525451430 in words is "five hundred twenty-five million, four hundred fifty-one thousand, four hundred thirty".