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2505115051 is a prime number
BaseRepresentation
bin1001010101010001…
…0000010110101011
320110120211000210221
42111110100112223
520112302140201
61052325150511
7116036061265
oct22524202653
96416730727
102505115051
11107608801a
1259ab5b437
1330c0006ca
1419a9c2b35
15e9ddb4a1
hex955105ab

2505115051 has 2 divisors, whose sum is σ = 2505115052. Its totient is φ = 2505115050.

The previous prime is 2505115037. The next prime is 2505115069. The reversal of 2505115051 is 1505115052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505115051 - 29 = 2505114539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505110051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252557525 + 1252557526.

It is an arithmetic number, because the mean of its divisors is an integer number (1252557526).

Almost surely, 22505115051 is an apocalyptic number.

2505115051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505115051 is an equidigital number, since it uses as much as digits as its factorization.

2505115051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 2505115051 is about 50051.1243729849. The cubic root of 2505115051 is about 1358.1338033673.

Subtracting from 2505115051 its reverse (1505115052), we obtain a palindrome (999999999).

The spelling of 2505115051 in words is "two billion, five hundred five million, one hundred fifteen thousand, fifty-one".