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524425 = 52111907
BaseRepresentation
bin10000000000010001001
3222122101011
42000002021
5113240200
615123521
74312636
oct2000211
9878334
10524425
11329010
122135a1
13154915
14d918d
15a55ba
hex80089

524425 has 12 divisors (see below), whose sum is σ = 709776. Its totient is φ = 381200.

The previous prime is 524413. The next prime is 524429.

524425 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 524425 - 213 = 516233 is a prime.

It is an Ulam number.

It is a Duffinian number.

524425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 524396 and 524405.

It is not an unprimeable number, because it can be changed into a prime (524429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (59148).

2524425 is an apocalyptic number.

524425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

524425 is a deficient number, since it is larger than the sum of its proper divisors (185351).

524425 is a wasteful number, since it uses less digits than its factorization.

524425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1923 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 524425 is about 724.1719409091. The cubic root of 524425 is about 80.6419700673.

It can be divided in two parts, 524 and 425, that added together give a palindrome (949).

The spelling of 524425 in words is "five hundred twenty-four thousand, four hundred twenty-five".