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2520538831 is a prime number
BaseRepresentation
bin1001011000111100…
…0101111011001111
320111122211122021001
42112033011323033
520130224220311
61054035521131
7116314140466
oct22617057317
96448748231
102520538831
111083862148
125a41591a7
13312270bc5
1419ca799dd
15eb4364c1
hex963c5ecf

2520538831 has 2 divisors, whose sum is σ = 2520538832. Its totient is φ = 2520538830.

The previous prime is 2520538819. The next prime is 2520538859. The reversal of 2520538831 is 1388350252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520538831 - 215 = 2520506063 is a prime.

It is a super-2 number, since 2×25205388312 = 12706231997157693122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520538871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260269415 + 1260269416.

It is an arithmetic number, because the mean of its divisors is an integer number (1260269416).

Almost surely, 22520538831 is an apocalyptic number.

2520538831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520538831 is an equidigital number, since it uses as much as digits as its factorization.

2520538831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 2520538831 is about 50204.9681904092. The cubic root of 2520538831 is about 1360.9154071717.

The spelling of 2520538831 in words is "two billion, five hundred twenty million, five hundred thirty-eight thousand, eight hundred thirty-one".