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2257403959 is a prime number
BaseRepresentation
bin1000011010001101…
…0100000000110111
312211022201000002001
42012203110000313
514110343411314
61012000000131
7106640421436
oct20643240067
95738630061
102257403959
11a59278008
12530000047
1329c8acab5
14175b4111d
15d32aa674
hex868d4037

2257403959 has 2 divisors, whose sum is σ = 2257403960. Its totient is φ = 2257403958.

The previous prime is 2257403903. The next prime is 2257403971. The reversal of 2257403959 is 9593047522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257403959 - 231 = 109920311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257403059) 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, 1128701979 + 1128701980.

It is an arithmetic number, because the mean of its divisors is an integer number (1128701980).

Almost surely, 22257403959 is an apocalyptic number.

2257403959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257403959 is an equidigital number, since it uses as much as digits as its factorization.

2257403959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 2257403959 is about 47512.1453841015. The cubic root of 2257403959 is about 1311.8064465040.

The spelling of 2257403959 in words is "two billion, two hundred fifty-seven million, four hundred three thousand, nine hundred fifty-nine".