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52561499 is a prime number
BaseRepresentation
bin1100100010000…
…0011001011011
310122220101211012
43020200121123
5101423431444
65114324135
71205523344
oct310403133
9118811735
1052561499
1127740261
121572964b
13ab742a3
146da30cb
154933b9e
hex322065b

52561499 has 2 divisors, whose sum is σ = 52561500. Its totient is φ = 52561498.

The previous prime is 52561489. The next prime is 52561517. The reversal of 52561499 is 99416525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52561499 - 224 = 35784283 is a prime.

It is a super-2 number, since 2×525614992 = 5525422354254002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52561409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26280749 + 26280750.

It is an arithmetic number, because the mean of its divisors is an integer number (26280750).

Almost surely, 252561499 is an apocalyptic number.

52561499 is a deficient number, since it is larger than the sum of its proper divisors (1).

52561499 is an equidigital number, since it uses as much as digits as its factorization.

52561499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 52561499 is about 7249.9309651886. The cubic root of 52561499 is about 374.5897712485.

The spelling of 52561499 in words is "fifty-two million, five hundred sixty-one thousand, four hundred ninety-nine".