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530961 = 31729359
BaseRepresentation
bin10000001101000010001
3222222100020
42001220101
5113442321
615214053
74340664
oct2015021
9888306
10530961
11332a12
12217329
131578a2
14db6db
15a74c6
hex81a11

530961 has 16 divisors (see below), whose sum is σ = 777600. Its totient is φ = 320768.

The previous prime is 530947. The next prime is 530969. The reversal of 530961 is 169035.

It is a cyclic number.

It is not a de Polignac number, because 530961 - 26 = 530897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530969) 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, 1300 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2530961 is an apocalyptic number.

530961 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

530961 is a deficient number, since it is larger than the sum of its proper divisors (246639).

530961 is a wasteful number, since it uses less digits than its factorization.

530961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 530961 is about 728.6707075216. The cubic root of 530961 is about 80.9756061279.

Adding to 530961 its reverse (169035), we get a palindrome (699996).

The spelling of 530961 in words is "five hundred thirty thousand, nine hundred sixty-one".