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2072531 is a prime number
BaseRepresentation
bin111111001111111010011
310220021222102
413321333103
51012310111
6112231015
723421236
oct7717723
93807872
102072531
11119613a
1283b46b
13577466
143bd41d
152ae13b
hex1f9fd3

2072531 has 2 divisors, whose sum is σ = 2072532. Its totient is φ = 2072530.

The previous prime is 2072527. The next prime is 2072549. The reversal of 2072531 is 1352702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2072531 - 22 = 2072527 is a prime.

It is a super-2 number, since 2×20725312 = 8590769491922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2072131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036265 + 1036266.

It is an arithmetic number, because the mean of its divisors is an integer number (1036266).

22072531 is an apocalyptic number.

2072531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072531 is an equidigital number, since it uses as much as digits as its factorization.

2072531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2072531 is about 1439.6287715936. The cubic root of 2072531 is about 127.4971113020.

The spelling of 2072531 in words is "two million, seventy-two thousand, five hundred thirty-one".