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2752531 is a prime number
BaseRepresentation
bin1010100000000000010011
312011211202121
422200000103
51201040111
6134555111
732252605
oct12400023
95154677
102752531
111610021
12b08a97
13754b22
14519175
15395871
hex2a0013

2752531 has 2 divisors, whose sum is σ = 2752532. Its totient is φ = 2752530.

The previous prime is 2752523. The next prime is 2752543. The reversal of 2752531 is 1352572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2752531 - 23 = 2752523 is a prime.

It is a super-2 number, since 2×27525312 = 15152853811922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2752496 and 2752505.

It is not a weakly prime, because it can be changed into another prime (2752591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376265 + 1376266.

It is an arithmetic number, because the mean of its divisors is an integer number (1376266).

22752531 is an apocalyptic number.

2752531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2752531 is an equidigital number, since it uses as much as digits as its factorization.

2752531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 25.

The square root of 2752531 is about 1659.0753448834. The cubic root of 2752531 is about 140.1449349384.

It can be divided in two parts, 27525 and 31, that added together give a square (27556 = 1662).

The spelling of 2752531 in words is "two million, seven hundred fifty-two thousand, five hundred thirty-one".