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2558137 is a prime number
BaseRepresentation
bin1001110000100010111001
311210222002211
421300202321
51123330022
6130455121
730513061
oct11604271
94728084
102558137
111497a6a
12a344a1
136b74ba
144a83a1
15357e77
hex2708b9

2558137 has 2 divisors, whose sum is σ = 2558138. Its totient is φ = 2558136.

The previous prime is 2558131. The next prime is 2558173. The reversal of 2558137 is 7318552.

Together with next prime (2558173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 826281 = 1316^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558137 - 27 = 2558009 is a prime.

2558137 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2558099 and 2558108.

It is not a weakly prime, because it can be changed into another prime (2558131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279068 + 1279069.

It is an arithmetic number, because the mean of its divisors is an integer number (1279069).

22558137 is an apocalyptic number.

It is an amenable number.

2558137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558137 is an equidigital number, since it uses as much as digits as its factorization.

2558137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 2558137 is about 1599.4177065420. The cubic root of 2558137 is about 136.7648834604.

The spelling of 2558137 in words is "two million, five hundred fifty-eight thousand, one hundred thirty-seven".