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2531301457 is a prime number
BaseRepresentation
bin1001011011100000…
…1001100001010001
320112102002102210211
42112320021201101
520141003121312
61055102324121
7116504464426
oct22670114121
96472072724
102531301457
111089943283
125a7889641
1331456b919
141a027bd4d
15ec3603a7
hex96e09851

2531301457 has 2 divisors, whose sum is σ = 2531301458. Its totient is φ = 2531301456.

The previous prime is 2531301433. The next prime is 2531301503. The reversal of 2531301457 is 7541031352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2009818561 + 521482896 = 44831^2 + 22836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531301457 - 211 = 2531299409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2531301407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265650728 + 1265650729.

It is an arithmetic number, because the mean of its divisors is an integer number (1265650729).

Almost surely, 22531301457 is an apocalyptic number.

It is an amenable number.

2531301457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531301457 is an equidigital number, since it uses as much as digits as its factorization.

2531301457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2531301457 is about 50312.0408749238. The cubic root of 2531301457 is about 1362.8496794825.

The spelling of 2531301457 in words is "two billion, five hundred thirty-one million, three hundred one thousand, four hundred fifty-seven".