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190560553 is a prime number
BaseRepresentation
bin10110101101110…
…11100100101001
3111021120110221021
423112323210221
5342240414203
630524212441
74502511061
oct1326734451
9437513837
10190560553
1198625a67
125399a121
1330630931
141b4463a1
1511ae25bd
hexb5bb929

190560553 has 2 divisors, whose sum is σ = 190560554. Its totient is φ = 190560552.

The previous prime is 190560551. The next prime is 190560569. The reversal of 190560553 is 355065091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134490409 + 56070144 = 11597^2 + 7488^2 .

It is a cyclic number.

It is not a de Polignac number, because 190560553 - 21 = 190560551 is a prime.

Together with 190560551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (190560551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95280276 + 95280277.

It is an arithmetic number, because the mean of its divisors is an integer number (95280277).

Almost surely, 2190560553 is an apocalyptic number.

It is an amenable number.

190560553 is a deficient number, since it is larger than the sum of its proper divisors (1).

190560553 is an equidigital number, since it uses as much as digits as its factorization.

190560553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 190560553 is about 13804.3671712976. The cubic root of 190560553 is about 575.4545144799.

The spelling of 190560553 in words is "one hundred ninety million, five hundred sixty thousand, five hundred fifty-three".