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252553 = 7109331
BaseRepresentation
bin111101101010001001
3110211102211
4331222021
531040203
65225121
72101210
oct755211
9424384
10252553
11162824
121021a1
138ac52
1468077
154ec6d
hex3da89

252553 has 8 divisors (see below), whose sum is σ = 292160. Its totient is φ = 213840.

The previous prime is 252541. The next prime is 252559. The reversal of 252553 is 355252.

252553 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252553 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (36520).

2252553 is an apocalyptic number.

It is an amenable number.

252553 is a deficient number, since it is larger than the sum of its proper divisors (39607).

252553 is a wasteful number, since it uses less digits than its factorization.

252553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its digits is 1500, while the sum is 22.

The square root of 252553 is about 502.5465152600. The cubic root of 252553 is about 63.2097652218.

The spelling of 252553 in words is "two hundred fifty-two thousand, five hundred fifty-three".

Divisors: 1 7 109 331 763 2317 36079 252553