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2571312251 is a prime number
BaseRepresentation
bin1001100101000011…
…0001110001111011
320122012101012022002
42121100301301323
520231223443001
61103052051215
7120501536114
oct23120616173
96565335262
102571312251
1110aa490a52
125b9163b0b
1331c93a351
141a56d520b
15100b1546b
hex99431c7b

2571312251 has 2 divisors, whose sum is σ = 2571312252. Its totient is φ = 2571312250.

The previous prime is 2571312197. The next prime is 2571312259. The reversal of 2571312251 is 1522131752.

2571312251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2571312251 - 26 = 2571312187 is a prime.

It is a super-2 number, since 2×25713122512 = 13223293384285374002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2571312259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285656125 + 1285656126.

It is an arithmetic number, because the mean of its divisors is an integer number (1285656126).

Almost surely, 22571312251 is an apocalyptic number.

2571312251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571312251 is an equidigital number, since it uses as much as digits as its factorization.

2571312251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 2571312251 is about 50708.1083358470. The cubic root of 2571312251 is about 1369.9927630285.

The spelling of 2571312251 in words is "two billion, five hundred seventy-one million, three hundred twelve thousand, two hundred fifty-one".