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1253557159 is a prime number
BaseRepresentation
bin100101010110111…
…1100001110100111
310020100210022010221
41022231330032213
510031402312114
6324220025211
743031026411
oct11255741647
93210708127
101253557159
11593667058
122ab992207
1316c9269ca
14bc6b19b1
15750b9524
hex4ab7c3a7

1253557159 has 2 divisors, whose sum is σ = 1253557160. Its totient is φ = 1253557158.

The previous prime is 1253557147. The next prime is 1253557171. The reversal of 1253557159 is 9517553521.

It is a balanced prime because it is at equal distance from previous prime (1253557147) and next prime (1253557171).

It is a cyclic number.

It is not a de Polignac number, because 1253557159 - 27 = 1253557031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253557189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626778579 + 626778580.

It is an arithmetic number, because the mean of its divisors is an integer number (626778580).

Almost surely, 21253557159 is an apocalyptic number.

1253557159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253557159 is an equidigital number, since it uses as much as digits as its factorization.

1253557159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 236250, while the sum is 43.

The square root of 1253557159 is about 35405.6091460096. The cubic root of 1253557159 is about 1078.2381995027.

The spelling of 1253557159 in words is "one billion, two hundred fifty-three million, five hundred fifty-seven thousand, one hundred fifty-nine".